399630628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{14369}}^1$

素因数の和:14799

約数の個数: 24

約数和(自身を含む): 742354200

約数和(自身を除く): 342723572

約数列:

[1, 2, 4, 17, 34, 68, 409, 818, 1636, 6953, 13906, 14369, 27812, 28738, 57476, 244273, 488546, 977092, 5876921, 11753842, 23507684, 99907657, 199815314, 399630628]

約数ペア:

[(1, 399630628), (2, 199815314), (4, 99907657), (17, 23507684), (34, 11753842), (68, 5876921), (409, 977092), (818, 488546), (1636, 244273), (6953, 57476), (13906, 28738), (14369, 27812)]