638631310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2060101}}^1$

素因数の和:2060139

約数の個数: 16

約数和(自身を含む): 1186618752

約数和(自身を除く): 547987442

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2060101, 4120202, 10300505, 20601010, 63863131, 127726262, 319315655, 638631310]

約数ペア:

[(1, 638631310), (2, 319315655), (5, 127726262), (10, 63863131), (31, 20601010), (62, 10300505), (155, 4120202), (310, 2060101)]