28418601890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405980027}}^1$

素因数の和:405980041

約数の個数: 16

約数和(自身を含む): 58461124032

約数和(自身を除く): 30042522142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405980027, 811960054, 2029900135, 2841860189, 4059800270, 5683720378, 14209300945, 28418601890]

約数ペア:

[(1, 28418601890), (2, 14209300945), (5, 5683720378), (7, 4059800270), (10, 2841860189), (14, 2029900135), (35, 811960054), (70, 405980027)]