391435525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{3229}}^1$

素因数の和:3625

約数の個数: 24

約数和(自身を含む): 524280680

約数和(自身を除く): 132845155

約数列:

[1, 5, 13, 25, 65, 325, 373, 1865, 3229, 4849, 9325, 16145, 24245, 41977, 80725, 121225, 209885, 1049425, 1204417, 6022085, 15657421, 30110425, 78287105, 391435525]

約数ペア:

[(1, 391435525), (5, 78287105), (13, 30110425), (25, 15657421), (65, 6022085), (325, 1204417), (373, 1049425), (1865, 209885), (3229, 121225), (4849, 80725), (9325, 41977), (16145, 24245)]