1994525

素因数分解:

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

素因数の和:78

約数の個数: 36

約数和(自身を含む): 2976372

約数和(自身を除く): 981847

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 247, 323, 325, 361, 425, 475, 1105, 1235, 1615, 1805, 4199, 4693, 5525, 6137, 6175, 8075, 9025, 20995, 23465, 30685, 79781, 104975, 117325, 153425, 398905, 1994525]

約数ペア:

[(1, 1994525), (5, 398905), (13, 153425), (17, 117325), (19, 104975), (25, 79781), (65, 30685), (85, 23465), (95, 20995), (221, 9025), (247, 8075), (323, 6175), (325, 6137), (361, 5525), (425, 4693), (475, 4199), (1105, 1805), (1235, 1615)]