399173612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{19687}}^1$

素因数の和:19865

約数の個数: 24

約数和(自身を含む): 722707104

約数和(自身を除く): 323533492

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 5069, 10138, 19687, 20276, 39374, 78748, 728419, 1456838, 2697119, 2913676, 5394238, 10788476, 99793403, 199586806, 399173612]

約数ペア:

[(1, 399173612), (2, 199586806), (4, 99793403), (37, 10788476), (74, 5394238), (137, 2913676), (148, 2697119), (274, 1456838), (548, 728419), (5069, 78748), (10138, 39374), (19687, 20276)]