72406957

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 20

約数和(自身を含む): 86214780

約数和(自身を除く): 13807823

約数列:

[1, 7, 49, 53, 343, 371, 569, 2401, 2597, 3983, 18179, 27881, 30157, 127253, 195167, 211099, 1366169, 1477693, 10343851, 72406957]

約数ペア:

[(1, 72406957), (7, 10343851), (49, 1477693), (53, 1366169), (343, 211099), (371, 195167), (569, 127253), (2401, 30157), (2597, 27881), (3983, 18179)]