1289623808

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 3131735040

約数和(自身を除く): 1842111232

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 32, 34, 44, 62, 64, 68, 79, 88, 121, 124, 128, 136, 158, 176, 187, 242, 248, 256, 272, 316, 341, 352, 374, 484, 496, 527, 544, 632, 682, 704, 748, 869, 968, 992, 1054, 1088, 1264, 1343, 1364, 1408, 1496, 1738, 1936, 1984, 2057, 2108, 2176, 2449, 2528, 2686, 2728, 2816, 2992, 3476, 3751, 3872, 3968, 4114, 4216, 4352, 4898, 5056, 5372, 5456, 5797, 5984, 6952, 7502, 7744, 7936, 8228, 8432, 9559, 9796, 10112, 10744, 10912, 11594, 11968, 13904, 14773, 15004, 15488, 16456, 16864, 19118, 19592, 20224, 21488, 21824, 23188, 23936, 26939, 27808, 29546, 30008, 30976, 32912, 33728, 38236, 39184, 41633, 42976, 43648, 46376, 47872, 53878, 55616, 59092, 60016, 63767, 65824, 67456, 76472, 78368, 83266, 85952, 87296, 92752, 107756, 111232, 118184, 120032, 127534, 131648, 134912, 152944, 156736, 162503, 166532, 171904, 185504, 215512, 222464, 236368, 240064, 255068, 263296, 296329, 305888, 313472, 325006, 333064, 343808, 371008, 431024, 457963, 472736, 480128, 510136, 526592, 592658, 611776, 626944, 650012, 666128, 742016, 862048, 915926, 945472, 960256, 1020272, 1185316, 1223552, 1300024, 1332256, 1484032, 1724096, 1831852, 1890944, 2040544, 2370632, 2447104, 2600048, 2664512, 3448192, 3663704, 3781888, 4081088, 4741264, 5037593, 5200096, 5329024, 6896384, 7327408, 8162176, 9482528, 10075186, 10400192, 10658048, 14654816, 16324352, 18965056, 20150372, 20800384, 29309632, 37930112, 40300744, 41600768, 58619264, 75860224, 80601488, 117238528, 161202976, 322405952, 644811904, 1289623808]

約数ペア:

[(1, 1289623808), (2, 644811904), (4, 322405952), (8, 161202976), (11, 117238528), (16, 80601488), (17, 75860224), (22, 58619264), (31, 41600768), (32, 40300744), (34, 37930112), (44, 29309632), (62, 20800384), (64, 20150372), (68, 18965056), (79, 16324352), (88, 14654816), (121, 10658048), (124, 10400192), (128, 10075186), (136, 9482528), (158, 8162176), (176, 7327408), (187, 6896384), (242, 5329024), (248, 5200096), (256, 5037593), (272, 4741264), (316, 4081088), (341, 3781888), (352, 3663704), (374, 3448192), (484, 2664512), (496, 2600048), (527, 2447104), (544, 2370632), (632, 2040544), (682, 1890944), (704, 1831852), (748, 1724096), (869, 1484032), (968, 1332256), (992, 1300024), (1054, 1223552), (1088, 1185316), (1264, 1020272), (1343, 960256), (1364, 945472), (1408, 915926), (1496, 862048), (1738, 742016), (1936, 666128), (1984, 650012), (2057, 626944), (2108, 611776), (2176, 592658), (2449, 526592), (2528, 510136), (2686, 480128), (2728, 472736), (2816, 457963), (2992, 431024), (3476, 371008), (3751, 343808), (3872, 333064), (3968, 325006), (4114, 313472), (4216, 305888), (4352, 296329), (4898, 263296), (5056, 255068), (5372, 240064), (5456, 236368), (5797, 222464), (5984, 215512), (6952, 185504), (7502, 171904), (7744, 166532), (7936, 162503), (8228, 156736), (8432, 152944), (9559, 134912), (9796, 131648), (10112, 127534), (10744, 120032), (10912, 118184), (11594, 111232), (11968, 107756), (13904, 92752), (14773, 87296), (15004, 85952), (15488, 83266), (16456, 78368), (16864, 76472), (19118, 67456), (19592, 65824), (20224, 63767), (21488, 60016), (21824, 59092), (23188, 55616), (23936, 53878), (26939, 47872), (27808, 46376), (29546, 43648), (30008, 42976), (30976, 41633), (32912, 39184), (33728, 38236)]