211683745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27367}}^1$

素因数の和:27409

約数の個数: 32

約数和(自身を含む): 331043328

約数和(自身を除く): 119359583

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 27367, 136835, 191569, 355771, 465239, 957845, 1778855, 2326195, 2490397, 3256673, 6048107, 12451985, 16283365, 30240535, 42336749, 211683745]

約数ペア:

[(1, 211683745), (5, 42336749), (7, 30240535), (13, 16283365), (17, 12451985), (35, 6048107), (65, 3256673), (85, 2490397), (91, 2326195), (119, 1778855), (221, 957845), (455, 465239), (595, 355771), (1105, 191569), (1547, 136835), (7735, 27367)]