13291985

素因数分解:

$5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 18714240

約数和(自身を除く): 5422255

約数列:

[1, 5, 7, 35, 49, 227, 239, 245, 1135, 1195, 1589, 1673, 7945, 8365, 11123, 11711, 54253, 55615, 58555, 271265, 379771, 1898855, 2658397, 13291985]

約数ペア:

[(1, 13291985), (5, 2658397), (7, 1898855), (35, 379771), (49, 271265), (227, 58555), (239, 55615), (245, 54253), (1135, 11711), (1195, 11123), (1589, 8365), (1673, 7945)]