72145556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83117}}^1$

素因数の和:83159

約数の個数: 24

約数和(自身を含む): 148947456

約数和(自身を除く): 76801900

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 83117, 166234, 332468, 581819, 1163638, 2327276, 2576627, 5153254, 10306508, 18036389, 36072778, 72145556]

約数ペア:

[(1, 72145556), (2, 36072778), (4, 18036389), (7, 10306508), (14, 5153254), (28, 2576627), (31, 2327276), (62, 1163638), (124, 581819), (217, 332468), (434, 166234), (868, 83117)]