400426568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{7027}}^1$

素因数の和:7469

約数の個数: 32

約数和(自身を含む): 796975200

約数和(自身を除く): 396548632

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 419, 838, 1676, 3352, 7027, 7123, 14054, 14246, 28108, 28492, 56216, 56984, 119459, 238918, 477836, 955672, 2944313, 5888626, 11777252, 23554504, 50053321, 100106642, 200213284, 400426568]

約数ペア:

[(1, 400426568), (2, 200213284), (4, 100106642), (8, 50053321), (17, 23554504), (34, 11777252), (68, 5888626), (136, 2944313), (419, 955672), (838, 477836), (1676, 238918), (3352, 119459), (7027, 56984), (7123, 56216), (14054, 28492), (14246, 28108)]