131031296

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 313958400

約数和(自身を除く): 182927104

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 79, 88, 124, 128, 152, 158, 176, 209, 248, 256, 304, 316, 341, 352, 418, 496, 589, 608, 632, 682, 704, 836, 869, 992, 1178, 1216, 1264, 1364, 1408, 1501, 1672, 1738, 1984, 2356, 2432, 2449, 2528, 2728, 2816, 3002, 3344, 3476, 3968, 4712, 4864, 4898, 5056, 5456, 6004, 6479, 6688, 6952, 7936, 9424, 9796, 10112, 10912, 12008, 12958, 13376, 13904, 16511, 18848, 19592, 20224, 21824, 24016, 25916, 26752, 26939, 27808, 33022, 37696, 39184, 43648, 46531, 48032, 51832, 53504, 53878, 55616, 66044, 75392, 78368, 87296, 93062, 96064, 103664, 107756, 111232, 132088, 150784, 156736, 186124, 192128, 207328, 215512, 222464, 264176, 313472, 372248, 384256, 414656, 431024, 511841, 528352, 626944, 744496, 829312, 862048, 1023682, 1056704, 1488992, 1658624, 1724096, 2047364, 2113408, 2977984, 3448192, 4094728, 4226816, 5955968, 6896384, 8189456, 11911936, 16378912, 32757824, 65515648, 131031296]

約数ペア:

[(1, 131031296), (2, 65515648), (4, 32757824), (8, 16378912), (11, 11911936), (16, 8189456), (19, 6896384), (22, 5955968), (31, 4226816), (32, 4094728), (38, 3448192), (44, 2977984), (62, 2113408), (64, 2047364), (76, 1724096), (79, 1658624), (88, 1488992), (124, 1056704), (128, 1023682), (152, 862048), (158, 829312), (176, 744496), (209, 626944), (248, 528352), (256, 511841), (304, 431024), (316, 414656), (341, 384256), (352, 372248), (418, 313472), (496, 264176), (589, 222464), (608, 215512), (632, 207328), (682, 192128), (704, 186124), (836, 156736), (869, 150784), (992, 132088), (1178, 111232), (1216, 107756), (1264, 103664), (1364, 96064), (1408, 93062), (1501, 87296), (1672, 78368), (1738, 75392), (1984, 66044), (2356, 55616), (2432, 53878), (2449, 53504), (2528, 51832), (2728, 48032), (2816, 46531), (3002, 43648), (3344, 39184), (3476, 37696), (3968, 33022), (4712, 27808), (4864, 26939), (4898, 26752), (5056, 25916), (5456, 24016), (6004, 21824), (6479, 20224), (6688, 19592), (6952, 18848), (7936, 16511), (9424, 13904), (9796, 13376), (10112, 12958), (10912, 12008)]