64676456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 139708800

約数和(自身を除く): 75032344

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 247, 284, 461, 494, 568, 922, 923, 988, 1349, 1844, 1846, 1976, 2698, 3688, 3692, 5396, 5993, 7384, 8759, 10792, 11986, 17518, 17537, 23972, 32731, 35036, 35074, 47944, 65462, 70072, 70148, 113867, 130924, 140296, 227734, 261848, 425503, 455468, 621889, 851006, 910936, 1243778, 1702012, 2487556, 3404024, 4975112, 8084557, 16169114, 32338228, 64676456]

約数ペア:

[(1, 64676456), (2, 32338228), (4, 16169114), (8, 8084557), (13, 4975112), (19, 3404024), (26, 2487556), (38, 1702012), (52, 1243778), (71, 910936), (76, 851006), (104, 621889), (142, 455468), (152, 425503), (247, 261848), (284, 227734), (461, 140296), (494, 130924), (568, 113867), (922, 70148), (923, 70072), (988, 65462), (1349, 47944), (1844, 35074), (1846, 35036), (1976, 32731), (2698, 23972), (3688, 17537), (3692, 17518), (5396, 11986), (5993, 10792), (7384, 8759)]