686313216

素因数分解:

$2^8\times 3^3\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3259

約数の個数: 144

約数和(自身を含む): 2095672320

約数和(自身を除く): 1409359104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 558, 576, 744, 768, 837, 864, 992, 1116, 1152, 1488, 1674, 1728, 1984, 2232, 2304, 2976, 3203, 3348, 3456, 3968, 4464, 5952, 6406, 6696, 6912, 7936, 8928, 9609, 11904, 12812, 13392, 17856, 19218, 23808, 25624, 26784, 28827, 35712, 38436, 51248, 53568, 57654, 71424, 76872, 86481, 99293, 102496, 107136, 115308, 153744, 172962, 198586, 204992, 214272, 230616, 297879, 307488, 345924, 397172, 409984, 461232, 595758, 614976, 691848, 794344, 819968, 893637, 922464, 1191516, 1229952, 1383696, 1588688, 1787274, 1844928, 2383032, 2459904, 2680911, 2767392, 3177376, 3574548, 3689856, 4766064, 5361822, 5534784, 6354752, 7149096, 7379712, 9532128, 10723644, 11069568, 12709504, 14298192, 19064256, 21447288, 22139136, 25419008, 28596384, 38128512, 42894576, 57192768, 76257024, 85789152, 114385536, 171578304, 228771072, 343156608, 686313216]

約数ペア:

[(1, 686313216), (2, 343156608), (3, 228771072), (4, 171578304), (6, 114385536), (8, 85789152), (9, 76257024), (12, 57192768), (16, 42894576), (18, 38128512), (24, 28596384), (27, 25419008), (31, 22139136), (32, 21447288), (36, 19064256), (48, 14298192), (54, 12709504), (62, 11069568), (64, 10723644), (72, 9532128), (93, 7379712), (96, 7149096), (108, 6354752), (124, 5534784), (128, 5361822), (144, 4766064), (186, 3689856), (192, 3574548), (216, 3177376), (248, 2767392), (256, 2680911), (279, 2459904), (288, 2383032), (372, 1844928), (384, 1787274), (432, 1588688), (496, 1383696), (558, 1229952), (576, 1191516), (744, 922464), (768, 893637), (837, 819968), (864, 794344), (992, 691848), (1116, 614976), (1152, 595758), (1488, 461232), (1674, 409984), (1728, 397172), (1984, 345924), (2232, 307488), (2304, 297879), (2976, 230616), (3203, 214272), (3348, 204992), (3456, 198586), (3968, 172962), (4464, 153744), (5952, 115308), (6406, 107136), (6696, 102496), (6912, 99293), (7936, 86481), (8928, 76872), (9609, 71424), (11904, 57654), (12812, 53568), (13392, 51248), (17856, 38436), (19218, 35712), (23808, 28827), (25624, 26784)]