1638117376

素因数分解:

$2^{12}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 208

約数和(自身を含む): 4109916160

約数和(自身を除く): 2471798784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 76, 97, 112, 124, 128, 133, 152, 194, 217, 224, 248, 256, 266, 304, 388, 434, 448, 496, 512, 532, 589, 608, 679, 776, 868, 896, 992, 1024, 1064, 1178, 1216, 1358, 1552, 1736, 1792, 1843, 1984, 2048, 2128, 2356, 2432, 2716, 3007, 3104, 3472, 3584, 3686, 3968, 4096, 4123, 4256, 4712, 4864, 5432, 6014, 6208, 6944, 7168, 7372, 7936, 8246, 8512, 9424, 9728, 10864, 12028, 12416, 12901, 13888, 14336, 14744, 15872, 16492, 17024, 18848, 19456, 21049, 21728, 24056, 24832, 25802, 27776, 28672, 29488, 31744, 32984, 34048, 37696, 38912, 42098, 43456, 48112, 49664, 51604, 55552, 57133, 58976, 63488, 65968, 68096, 75392, 77824, 84196, 86912, 96224, 99328, 103208, 111104, 114266, 117952, 126976, 131936, 136192, 150784, 168392, 173824, 192448, 198656, 206416, 222208, 228532, 235904, 263872, 272384, 301568, 336784, 347648, 384896, 397312, 399931, 412832, 444416, 457064, 471808, 527744, 544768, 603136, 673568, 695296, 769792, 799862, 825664, 888832, 914128, 943616, 1055488, 1206272, 1347136, 1390592, 1539584, 1599724, 1651328, 1828256, 1887232, 2110976, 2412544, 2694272, 2781184, 3079168, 3199448, 3302656, 3656512, 3774464, 4221952, 5388544, 6158336, 6398896, 6605312, 7313024, 7548928, 8443904, 10777088, 12316672, 12797792, 13210624, 14626048, 16887808, 21554176, 25595584, 26421248, 29252096, 43108352, 51191168, 52842496, 58504192, 86216704, 102382336, 117008384, 204764672, 234016768, 409529344, 819058688, 1638117376]

約数ペア:

[(1, 1638117376), (2, 819058688), (4, 409529344), (7, 234016768), (8, 204764672), (14, 117008384), (16, 102382336), (19, 86216704), (28, 58504192), (31, 52842496), (32, 51191168), (38, 43108352), (56, 29252096), (62, 26421248), (64, 25595584), (76, 21554176), (97, 16887808), (112, 14626048), (124, 13210624), (128, 12797792), (133, 12316672), (152, 10777088), (194, 8443904), (217, 7548928), (224, 7313024), (248, 6605312), (256, 6398896), (266, 6158336), (304, 5388544), (388, 4221952), (434, 3774464), (448, 3656512), (496, 3302656), (512, 3199448), (532, 3079168), (589, 2781184), (608, 2694272), (679, 2412544), (776, 2110976), (868, 1887232), (896, 1828256), (992, 1651328), (1024, 1599724), (1064, 1539584), (1178, 1390592), (1216, 1347136), (1358, 1206272), (1552, 1055488), (1736, 943616), (1792, 914128), (1843, 888832), (1984, 825664), (2048, 799862), (2128, 769792), (2356, 695296), (2432, 673568), (2716, 603136), (3007, 544768), (3104, 527744), (3472, 471808), (3584, 457064), (3686, 444416), (3968, 412832), (4096, 399931), (4123, 397312), (4256, 384896), (4712, 347648), (4864, 336784), (5432, 301568), (6014, 272384), (6208, 263872), (6944, 235904), (7168, 228532), (7372, 222208), (7936, 206416), (8246, 198656), (8512, 192448), (9424, 173824), (9728, 168392), (10864, 150784), (12028, 136192), (12416, 131936), (12901, 126976), (13888, 117952), (14336, 114266), (14744, 111104), (15872, 103208), (16492, 99328), (17024, 96224), (18848, 86912), (19456, 84196), (21049, 77824), (21728, 75392), (24056, 68096), (24832, 65968), (25802, 63488), (27776, 58976), (28672, 57133), (29488, 55552), (31744, 51604), (32984, 49664), (34048, 48112), (37696, 43456), (38912, 42098)]