406436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 776160

約数和(自身を除く): 369724

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 139, 172, 278, 556, 731, 1462, 2363, 2924, 4726, 5977, 9452, 11954, 23908, 101609, 203218, 406436]

約数ペア:

[(1, 406436), (2, 203218), (4, 101609), (17, 23908), (34, 11954), (43, 9452), (68, 5977), (86, 4726), (139, 2924), (172, 2363), (278, 1462), (556, 731)]