647074792

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 1648987200

約数和(自身を除く): 1001912408

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 41, 49, 52, 56, 76, 82, 91, 98, 104, 133, 152, 163, 164, 182, 196, 247, 266, 287, 326, 328, 364, 392, 494, 532, 533, 574, 637, 652, 728, 779, 931, 988, 1064, 1066, 1141, 1148, 1274, 1304, 1558, 1729, 1862, 1976, 2009, 2119, 2132, 2282, 2296, 2548, 3097, 3116, 3458, 3724, 3731, 4018, 4238, 4264, 4564, 5096, 5453, 6194, 6232, 6683, 6916, 7448, 7462, 7987, 8036, 8476, 9128, 10127, 10906, 12103, 12388, 13366, 13832, 14833, 14924, 15974, 16072, 16952, 20254, 21679, 21812, 24206, 24776, 26117, 26732, 29666, 29848, 31948, 38171, 40261, 40508, 43358, 43624, 46781, 48412, 52234, 53464, 59332, 63896, 70889, 76342, 80522, 81016, 86716, 86879, 93562, 96824, 103831, 104468, 118664, 126977, 141778, 151753, 152684, 161044, 173432, 173758, 187124, 207662, 208936, 253954, 281827, 283556, 303506, 305368, 322088, 327467, 347516, 374248, 415324, 496223, 507908, 563654, 567112, 607012, 608153, 654934, 695032, 830648, 888839, 992446, 1015816, 1127308, 1214024, 1216306, 1309868, 1650701, 1777678, 1972789, 1984892, 2254616, 2432612, 2619736, 3301402, 3555356, 3945578, 3969784, 4257071, 4865224, 6221873, 6602804, 7110712, 7891156, 8514142, 11554907, 12443746, 13205608, 15782312, 17028284, 23109814, 24887492, 34056568, 46219628, 49774984, 80884349, 92439256, 161768698, 323537396, 647074792]

約数ペア:

[(1, 647074792), (2, 323537396), (4, 161768698), (7, 92439256), (8, 80884349), (13, 49774984), (14, 46219628), (19, 34056568), (26, 24887492), (28, 23109814), (38, 17028284), (41, 15782312), (49, 13205608), (52, 12443746), (56, 11554907), (76, 8514142), (82, 7891156), (91, 7110712), (98, 6602804), (104, 6221873), (133, 4865224), (152, 4257071), (163, 3969784), (164, 3945578), (182, 3555356), (196, 3301402), (247, 2619736), (266, 2432612), (287, 2254616), (326, 1984892), (328, 1972789), (364, 1777678), (392, 1650701), (494, 1309868), (532, 1216306), (533, 1214024), (574, 1127308), (637, 1015816), (652, 992446), (728, 888839), (779, 830648), (931, 695032), (988, 654934), (1064, 608153), (1066, 607012), (1141, 567112), (1148, 563654), (1274, 507908), (1304, 496223), (1558, 415324), (1729, 374248), (1862, 347516), (1976, 327467), (2009, 322088), (2119, 305368), (2132, 303506), (2282, 283556), (2296, 281827), (2548, 253954), (3097, 208936), (3116, 207662), (3458, 187124), (3724, 173758), (3731, 173432), (4018, 161044), (4238, 152684), (4264, 151753), (4564, 141778), (5096, 126977), (5453, 118664), (6194, 104468), (6232, 103831), (6683, 96824), (6916, 93562), (7448, 86879), (7462, 86716), (7987, 81016), (8036, 80522), (8476, 76342), (9128, 70889), (10127, 63896), (10906, 59332), (12103, 53464), (12388, 52234), (13366, 48412), (13832, 46781), (14833, 43624), (14924, 43358), (15974, 40508), (16072, 40261), (16952, 38171), (20254, 31948), (21679, 29848), (21812, 29666), (24206, 26732), (24776, 26117)]