2001688891648

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{31699}}^1$

素因数の和:31928

約数の個数: 144

約数和(自身を含む): 4219437376000

約数和(自身を除く): 2217748484352

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 109, 124, 128, 146, 218, 248, 256, 292, 436, 496, 584, 872, 992, 1168, 1744, 1984, 2263, 2336, 3379, 3488, 3968, 4526, 4672, 6758, 6976, 7936, 7957, 9052, 9344, 13516, 13952, 15914, 18104, 18688, 27032, 27904, 31699, 31828, 36208, 54064, 63398, 63656, 72416, 108128, 126796, 127312, 144832, 216256, 246667, 253592, 254624, 289664, 432512, 493334, 507184, 509248, 579328, 865024, 982669, 986668, 1014368, 1018496, 1965338, 1973336, 2028736, 2036992, 2314027, 3455191, 3930676, 3946672, 4057472, 4628054, 6910382, 7861352, 7893344, 8114944, 9256108, 13820764, 15722704, 15786688, 18512216, 27641528, 31445408, 31573376, 37024432, 55283056, 62890816, 63146752, 71734837, 74048864, 107110921, 110566112, 125781632, 143469674, 148097728, 214221842, 221132224, 251563264, 252228943, 286939348, 296195456, 428443684, 442264448, 504457886, 573878696, 592390912, 856887368, 884528896, 1008915772, 1147757392, 1713774736, 2017831544, 2295514784, 3427549472, 4035663088, 4591029568, 6855098944, 7819097233, 8071326176, 9182059136, 13710197888, 15638194466, 16142652352, 18364118272, 27420395776, 31276388932, 32285304704, 62552777864, 64570609408, 125105555728, 250211111456, 500422222912, 1000844445824, 2001688891648]

約数ペア:

[(1, 2001688891648), (2, 1000844445824), (4, 500422222912), (8, 250211111456), (16, 125105555728), (31, 64570609408), (32, 62552777864), (62, 32285304704), (64, 31276388932), (73, 27420395776), (109, 18364118272), (124, 16142652352), (128, 15638194466), (146, 13710197888), (218, 9182059136), (248, 8071326176), (256, 7819097233), (292, 6855098944), (436, 4591029568), (496, 4035663088), (584, 3427549472), (872, 2295514784), (992, 2017831544), (1168, 1713774736), (1744, 1147757392), (1984, 1008915772), (2263, 884528896), (2336, 856887368), (3379, 592390912), (3488, 573878696), (3968, 504457886), (4526, 442264448), (4672, 428443684), (6758, 296195456), (6976, 286939348), (7936, 252228943), (7957, 251563264), (9052, 221132224), (9344, 214221842), (13516, 148097728), (13952, 143469674), (15914, 125781632), (18104, 110566112), (18688, 107110921), (27032, 74048864), (27904, 71734837), (31699, 63146752), (31828, 62890816), (36208, 55283056), (54064, 37024432), (63398, 31573376), (63656, 31445408), (72416, 27641528), (108128, 18512216), (126796, 15786688), (127312, 15722704), (144832, 13820764), (216256, 9256108), (246667, 8114944), (253592, 7893344), (254624, 7861352), (289664, 6910382), (432512, 4628054), (493334, 4057472), (507184, 3946672), (509248, 3930676), (579328, 3455191), (865024, 2314027), (982669, 2036992), (986668, 2028736), (1014368, 1973336), (1018496, 1965338)]