28900990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{93229}}^1$

素因数の和:93267

約数の個数: 16

約数和(自身を含む): 53700480

約数和(自身を除く): 24799490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 93229, 186458, 466145, 932290, 2890099, 5780198, 14450495, 28900990]

約数ペア:

[(1, 28900990), (2, 14450495), (5, 5780198), (10, 2890099), (31, 932290), (62, 466145), (155, 186458), (310, 93229)]