127130288

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{19427}}^1$

素因数の和:19844

約数の個数: 20

約数和(自身を含む): 246929880

約数和(自身を除く): 119799592

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 19427, 38854, 77708, 155416, 310832, 7945643, 15891286, 31782572, 63565144, 127130288]

約数ペア:

[(1, 127130288), (2, 63565144), (4, 31782572), (8, 15891286), (16, 7945643), (409, 310832), (818, 155416), (1636, 77708), (3272, 38854), (6544, 19427)]