71558225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 92907000

約数和(自身を除く): 21348775

約数列:

[1, 5, 25, 29, 89, 145, 445, 725, 1109, 2225, 2581, 5545, 12905, 27725, 32161, 64525, 98701, 160805, 493505, 804025, 2467525, 2862329, 14311645, 71558225]

約数ペア:

[(1, 71558225), (5, 14311645), (25, 2862329), (29, 2467525), (89, 804025), (145, 493505), (445, 160805), (725, 98701), (1109, 64525), (2225, 32161), (2581, 27725), (5545, 12905)]