289657394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{20219}}^1$

素因数の和:20282

約数の個数: 32

約数和(自身を含む): 509544000

約数和(自身を除く): 219886606

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 247, 377, 494, 551, 754, 1102, 7163, 14326, 20219, 40438, 262847, 384161, 525694, 586351, 768322, 1172702, 4994093, 7622563, 9988186, 11140669, 15245126, 22281338, 144828697, 289657394]

約数ペア:

[(1, 289657394), (2, 144828697), (13, 22281338), (19, 15245126), (26, 11140669), (29, 9988186), (38, 7622563), (58, 4994093), (247, 1172702), (377, 768322), (494, 586351), (551, 525694), (754, 384161), (1102, 262847), (7163, 40438), (14326, 20219)]