257150398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{19051}}^1$

素因数の和:19467

約数の個数: 16

約数和(自身を含む): 409465584

約数和(自身を除く): 152315186

約数列:

[1, 2, 17, 34, 397, 794, 6749, 13498, 19051, 38102, 323867, 647734, 7563247, 15126494, 128575199, 257150398]

約数ペア:

[(1, 257150398), (2, 128575199), (17, 15126494), (34, 7563247), (397, 647734), (794, 323867), (6749, 38102), (13498, 19051)]