64256556

素因数分解:

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

素因数の和:228

約数の個数: 144

約数和(自身を含む): 195949824

約数和(自身を除く): 131693268

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 163, 182, 228, 247, 266, 273, 326, 361, 364, 399, 489, 494, 532, 546, 652, 722, 741, 798, 978, 988, 1083, 1092, 1141, 1444, 1482, 1596, 1729, 1956, 2119, 2166, 2282, 2527, 2964, 3097, 3423, 3458, 4238, 4332, 4564, 4693, 5054, 5187, 6194, 6357, 6846, 6916, 7581, 8476, 9291, 9386, 10108, 10374, 12388, 12714, 13692, 14079, 14833, 15162, 18582, 18772, 20748, 21679, 25428, 28158, 29666, 30324, 32851, 37164, 40261, 43358, 44499, 56316, 58843, 59332, 65037, 65702, 80522, 86716, 88998, 98553, 117686, 120783, 130074, 131404, 161044, 176529, 177996, 197106, 235372, 241566, 260148, 281827, 353058, 394212, 411901, 483132, 563654, 706116, 764959, 823802, 845481, 1127308, 1235703, 1529918, 1647604, 1690962, 2294877, 2471406, 3059836, 3381924, 4589754, 4942812, 5354713, 9179508, 10709426, 16064139, 21418852, 32128278, 64256556]

約数ペア:

[(1, 64256556), (2, 32128278), (3, 21418852), (4, 16064139), (6, 10709426), (7, 9179508), (12, 5354713), (13, 4942812), (14, 4589754), (19, 3381924), (21, 3059836), (26, 2471406), (28, 2294877), (38, 1690962), (39, 1647604), (42, 1529918), (52, 1235703), (57, 1127308), (76, 845481), (78, 823802), (84, 764959), (91, 706116), (114, 563654), (133, 483132), (156, 411901), (163, 394212), (182, 353058), (228, 281827), (247, 260148), (266, 241566), (273, 235372), (326, 197106), (361, 177996), (364, 176529), (399, 161044), (489, 131404), (494, 130074), (532, 120783), (546, 117686), (652, 98553), (722, 88998), (741, 86716), (798, 80522), (978, 65702), (988, 65037), (1083, 59332), (1092, 58843), (1141, 56316), (1444, 44499), (1482, 43358), (1596, 40261), (1729, 37164), (1956, 32851), (2119, 30324), (2166, 29666), (2282, 28158), (2527, 25428), (2964, 21679), (3097, 20748), (3423, 18772), (3458, 18582), (4238, 15162), (4332, 14833), (4564, 14079), (4693, 13692), (5054, 12714), (5187, 12388), (6194, 10374), (6357, 10108), (6846, 9386), (6916, 9291), (7581, 8476)]