9972625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 14977872

約数和(自身を除く): 5005247

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 221, 247, 323, 325, 361, 425, 475, 1105, 1235, 1615, 1625, 1805, 2125, 2375, 4199, 4693, 5525, 6137, 6175, 8075, 9025, 20995, 23465, 27625, 30685, 30875, 40375, 45125, 79781, 104975, 117325, 153425, 398905, 524875, 586625, 767125, 1994525, 9972625]

約数ペア:

[(1, 9972625), (5, 1994525), (13, 767125), (17, 586625), (19, 524875), (25, 398905), (65, 153425), (85, 117325), (95, 104975), (125, 79781), (221, 45125), (247, 40375), (323, 30875), (325, 30685), (361, 27625), (425, 23465), (475, 20995), (1105, 9025), (1235, 8075), (1615, 6175), (1625, 6137), (1805, 5525), (2125, 4693), (2375, 4199)]