28494490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149971}}^1$

素因数の和:149997

約数の個数: 16

約数和(自身を含む): 53989920

約数和(自身を除く): 25495430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 149971, 299942, 749855, 1499710, 2849449, 5698898, 14247245, 28494490]

約数ペア:

[(1, 28494490), (2, 14247245), (5, 5698898), (10, 2849449), (19, 1499710), (38, 749855), (95, 299942), (190, 149971)]