39989405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{3491}}^1$

素因数の和:3604

約数の個数: 16

約数和(自身を含む): 50284800

約数和(自身を除く): 10295395

約数列:

[1, 5, 29, 79, 145, 395, 2291, 3491, 11455, 17455, 101239, 275789, 506195, 1378945, 7997881, 39989405]

約数ペア:

[(1, 39989405), (5, 7997881), (29, 1378945), (79, 506195), (145, 275789), (395, 101239), (2291, 17455), (3491, 11455)]