81595705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{3109}}^1$

素因数の和:3324

約数の個数: 16

約数和(自身を含む): 101883600

約数和(自身を除く): 20287895

約数列:

[1, 5, 29, 145, 181, 905, 3109, 5249, 15545, 26245, 90161, 450805, 562729, 2813645, 16319141, 81595705]

約数ペア:

[(1, 81595705), (5, 16319141), (29, 2813645), (145, 562729), (181, 450805), (905, 90161), (3109, 26245), (5249, 15545)]