28641910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23671}}^1$

素因数の和:23700

約数の個数: 24

約数和(自身を含む): 56670768

約数和(自身を除く): 28028858

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 23671, 47342, 118355, 236710, 260381, 520762, 1301905, 2603810, 2864191, 5728382, 14320955, 28641910]

約数ペア:

[(1, 28641910), (2, 14320955), (5, 5728382), (10, 2864191), (11, 2603810), (22, 1301905), (55, 520762), (110, 260381), (121, 236710), (242, 118355), (605, 47342), (1210, 23671)]