28218410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23321}}^1$

素因数の和:23350

約数の個数: 24

約数和(自身を含む): 55832868

約数和(自身を除く): 27614458

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 23321, 46642, 116605, 233210, 256531, 513062, 1282655, 2565310, 2821841, 5643682, 14109205, 28218410]

約数ペア:

[(1, 28218410), (2, 14109205), (5, 5643682), (10, 2821841), (11, 2565310), (22, 1282655), (55, 513062), (110, 256531), (121, 233210), (242, 116605), (605, 46642), (1210, 23321)]