664691612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2777}}^1\times {\mathrm{4603}}^1$

素因数の和:7397

約数の個数: 24

約数和(自身を含む): 1253411376

約数和(自身を除く): 588719764

約数列:

[1, 2, 4, 13, 26, 52, 2777, 4603, 5554, 9206, 11108, 18412, 36101, 59839, 72202, 119678, 144404, 239356, 12782531, 25565062, 51130124, 166172903, 332345806, 664691612]

約数ペア:

[(1, 664691612), (2, 332345806), (4, 166172903), (13, 51130124), (26, 25565062), (52, 12782531), (2777, 239356), (4603, 144404), (5554, 119678), (9206, 72202), (11108, 59839), (18412, 36101)]