400588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 765072

約数和(自身を除く): 364484

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 137, 172, 274, 548, 731, 1462, 2329, 2924, 4658, 5891, 9316, 11782, 23564, 100147, 200294, 400588]

約数ペア:

[(1, 400588), (2, 200294), (4, 100147), (17, 23564), (34, 11782), (43, 9316), (68, 5891), (86, 4658), (137, 2924), (172, 2329), (274, 1462), (548, 731)]