13831525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 18565280

約数和(自身を除く): 4733755

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 787, 925, 3515, 3935, 14953, 17575, 19675, 29119, 74765, 145595, 373825, 553261, 727975, 2766305, 13831525]

約数ペア:

[(1, 13831525), (5, 2766305), (19, 727975), (25, 553261), (37, 373825), (95, 145595), (185, 74765), (475, 29119), (703, 19675), (787, 17575), (925, 14953), (3515, 3935)]