280852585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{11969}}^1$

素因数の和:12025

約数の個数: 24

約数和(自身を含む): 383087880

約数和(自身を除く): 102235295

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 1235, 1805, 4693, 11969, 23465, 59845, 155597, 227411, 777985, 1137055, 2956343, 4320809, 14781715, 21604045, 56170517, 280852585]

約数ペア:

[(1, 280852585), (5, 56170517), (13, 21604045), (19, 14781715), (65, 4320809), (95, 2956343), (247, 1137055), (361, 777985), (1235, 227411), (1805, 155597), (4693, 59845), (11969, 23465)]