64720901

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2953}}^1$

素因数の和:3092

約数の個数: 16

約数和(自身を含む): 77134848

約数和(自身を除く): 12413947

約数列:

[1, 7, 31, 101, 217, 707, 2953, 3131, 20671, 21917, 91543, 298253, 640801, 2087771, 9245843, 64720901]

約数ペア:

[(1, 64720901), (7, 9245843), (31, 2087771), (101, 640801), (217, 298253), (707, 91543), (2953, 21917), (3131, 20671)]