631651388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{86813}}^1$

素因数の和:86941

約数の個数: 24

約数和(自身を含む): 1181364912

約数和(自身を除く): 549713524

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 3638, 7276, 86813, 173626, 347252, 1475821, 2951642, 5903284, 9288991, 18577982, 37155964, 157912847, 315825694, 631651388]

約数ペア:

[(1, 631651388), (2, 315825694), (4, 157912847), (17, 37155964), (34, 18577982), (68, 9288991), (107, 5903284), (214, 2951642), (428, 1475821), (1819, 347252), (3638, 173626), (7276, 86813)]