28408910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123517}}^1$

素因数の和:123547

約数の個数: 16

約数和(自身を含む): 53359776

約数和(自身を除く): 24950866

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 123517, 247034, 617585, 1235170, 2840891, 5681782, 14204455, 28408910]

約数ペア:

[(1, 28408910), (2, 14204455), (5, 5681782), (10, 2840891), (23, 1235170), (46, 617585), (115, 247034), (230, 123517)]