557830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 1237824

約数和(自身を除く): 679994

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 613, 910, 1226, 3065, 4291, 6130, 7969, 8582, 15938, 21455, 39845, 42910, 55783, 79690, 111566, 278915, 557830]

約数ペア:

[(1, 557830), (2, 278915), (5, 111566), (7, 79690), (10, 55783), (13, 42910), (14, 39845), (26, 21455), (35, 15938), (65, 8582), (70, 7969), (91, 6130), (130, 4291), (182, 3065), (455, 1226), (613, 910)]