205121432

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{235231}}^1$

素因数の和:235346

約数の個数: 16

約数和(自身を含む): 388132800

約数和(自身を除く): 183011368

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 235231, 470462, 940924, 1881848, 25640179, 51280358, 102560716, 205121432]

約数ペア:

[(1, 205121432), (2, 102560716), (4, 51280358), (8, 25640179), (109, 1881848), (218, 940924), (436, 470462), (872, 235231)]