71428825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{811}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 95854976

約数和(自身を除く): 24426151

約数列:

[1, 5, 13, 25, 65, 271, 325, 811, 1355, 3523, 4055, 6775, 10543, 17615, 20275, 52715, 88075, 219781, 263575, 1098905, 2857153, 5494525, 14285765, 71428825]

約数ペア:

[(1, 71428825), (5, 14285765), (13, 5494525), (25, 2857153), (65, 1098905), (271, 263575), (325, 219781), (811, 88075), (1355, 52715), (3523, 20275), (4055, 17615), (6775, 10543)]