42640216

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{18443}}^1$

素因数の和:18483

約数の個数: 24

約数和(自身を含む): 84934620

約数和(自身を除く): 42294404

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 18443, 36886, 73772, 147544, 313531, 627062, 1254124, 2508248, 5330027, 10660054, 21320108, 42640216]

約数ペア:

[(1, 42640216), (2, 21320108), (4, 10660054), (8, 5330027), (17, 2508248), (34, 1254124), (68, 627062), (136, 313531), (289, 147544), (578, 73772), (1156, 36886), (2312, 18443)]