1285405271

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{4001}}^1$

素因数の和:4514

約数の個数: 16

約数和(自身を含む): 1393016160

約数和(自身を除く): 107610889

約数列:

[1, 19, 37, 457, 703, 4001, 8683, 16909, 76019, 148037, 321271, 1828457, 2812703, 34740683, 67652909, 1285405271]

約数ペア:

[(1, 1285405271), (19, 67652909), (37, 34740683), (457, 2812703), (703, 1828457), (4001, 321271), (8683, 148037), (16909, 76019)]