72908815

素因数分解:

$5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{569}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 102148560

約数和(自身を除く): 29239745

約数列:

[1, 5, 7, 35, 49, 245, 523, 569, 2615, 2845, 3661, 3983, 18305, 19915, 25627, 27881, 128135, 139405, 297587, 1487935, 2083109, 10415545, 14581763, 72908815]

約数ペア:

[(1, 72908815), (5, 14581763), (7, 10415545), (35, 2083109), (49, 1487935), (245, 297587), (523, 139405), (569, 128135), (2615, 27881), (2845, 25627), (3661, 19915), (3983, 18305)]