28970290

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3581}}^1$

素因数の和:4397

約数の個数: 16

約数和(自身を含む): 52225560

約数和(自身を除く): 23255270

約数列:

[1, 2, 5, 10, 809, 1618, 3581, 4045, 7162, 8090, 17905, 35810, 2897029, 5794058, 14485145, 28970290]

約数ペア:

[(1, 28970290), (2, 14485145), (5, 5794058), (10, 2897029), (809, 35810), (1618, 17905), (3581, 8090), (4045, 7162)]