400078

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:108

約数の個数: 24

約数和(自身を含む): 744336

約数和(自身を除く): 344258

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 1681, 3362, 4879, 9758, 11767, 23534, 28577, 57154, 200039, 400078]

約数ペア:

[(1, 400078), (2, 200039), (7, 57154), (14, 28577), (17, 23534), (34, 11767), (41, 9758), (82, 4879), (119, 3362), (238, 1681), (287, 1394), (574, 697)]