30997265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1321}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 42309288

約数和(自身を除く): 11312023

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 1235, 1321, 1805, 4693, 6605, 17173, 23465, 25099, 85865, 125495, 326287, 476881, 1631435, 2384405, 6199453, 30997265]

約数ペア:

[(1, 30997265), (5, 6199453), (13, 2384405), (19, 1631435), (65, 476881), (95, 326287), (247, 125495), (361, 85865), (1235, 25099), (1321, 23465), (1805, 17173), (4693, 6605)]