641330608

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{3709}}^1$

素因数の和:3925

約数の個数: 40

約数和(自身を含む): 1266950160

約数和(自身を除く): 625619552

約数列:

[1, 2, 4, 8, 16, 101, 107, 202, 214, 404, 428, 808, 856, 1616, 1712, 3709, 7418, 10807, 14836, 21614, 29672, 43228, 59344, 86456, 172912, 374609, 396863, 749218, 793726, 1498436, 1587452, 2996872, 3174904, 5993744, 6349808, 40083163, 80166326, 160332652, 320665304, 641330608]

約数ペア:

[(1, 641330608), (2, 320665304), (4, 160332652), (8, 80166326), (16, 40083163), (101, 6349808), (107, 5993744), (202, 3174904), (214, 2996872), (404, 1587452), (428, 1498436), (808, 793726), (856, 749218), (1616, 396863), (1712, 374609), (3709, 172912), (7418, 86456), (10807, 59344), (14836, 43228), (21614, 29672)]