431321008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{2399}}^1$

素因数の和:3085

約数の個数: 40

約数和(自身を含む): 886550400

約数和(自身を除く): 455229392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 661, 1322, 2399, 2644, 4798, 5288, 9596, 10576, 11237, 19192, 22474, 38384, 40783, 44948, 81566, 89896, 163132, 179792, 326264, 652528, 1585739, 3171478, 6342956, 12685912, 25371824, 26957563, 53915126, 107830252, 215660504, 431321008]

約数ペア:

[(1, 431321008), (2, 215660504), (4, 107830252), (8, 53915126), (16, 26957563), (17, 25371824), (34, 12685912), (68, 6342956), (136, 3171478), (272, 1585739), (661, 652528), (1322, 326264), (2399, 179792), (2644, 163132), (4798, 89896), (5288, 81566), (9596, 44948), (10576, 40783), (11237, 38384), (19192, 22474)]