420316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 811440

約数和(自身を除く): 391124

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 137, 236, 274, 548, 767, 1534, 1781, 3068, 3562, 7124, 8083, 16166, 32332, 105079, 210158, 420316]

約数ペア:

[(1, 420316), (2, 210158), (4, 105079), (13, 32332), (26, 16166), (52, 8083), (59, 7124), (118, 3562), (137, 3068), (236, 1781), (274, 1534), (548, 767)]