287995370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2215349}}^1$

素因数の和:2215369

約数の個数: 16

約数和(自身を含む): 558268200

約数和(自身を除く): 270272830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2215349, 4430698, 11076745, 22153490, 28799537, 57599074, 143997685, 287995370]

約数ペア:

[(1, 287995370), (2, 143997685), (5, 57599074), (10, 28799537), (13, 22153490), (26, 11076745), (65, 4430698), (130, 2215349)]