664064786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3989}}^1$

素因数の和:4079

約数の個数: 64

約数和(自身を含む): 1323786240

約数和(自身を除く): 659721454

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 47, 77, 94, 154, 161, 253, 322, 329, 506, 517, 658, 1034, 1081, 1771, 2162, 3542, 3619, 3989, 7238, 7567, 7978, 11891, 15134, 23782, 27923, 43879, 55846, 83237, 87758, 91747, 166474, 183494, 187483, 307153, 374966, 614306, 642229, 1009217, 1284458, 1312381, 2018434, 2062313, 2624762, 4124626, 4312109, 7064519, 8624218, 14129038, 14436191, 28872382, 30184763, 47433199, 60369526, 94866398, 332032393, 664064786]

約数ペア:

[(1, 664064786), (2, 332032393), (7, 94866398), (11, 60369526), (14, 47433199), (22, 30184763), (23, 28872382), (46, 14436191), (47, 14129038), (77, 8624218), (94, 7064519), (154, 4312109), (161, 4124626), (253, 2624762), (322, 2062313), (329, 2018434), (506, 1312381), (517, 1284458), (658, 1009217), (1034, 642229), (1081, 614306), (1771, 374966), (2162, 307153), (3542, 187483), (3619, 183494), (3989, 166474), (7238, 91747), (7567, 87758), (7978, 83237), (11891, 55846), (15134, 43879), (23782, 27923)]