138958495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3041}}^1$

素因数の和:3115

約数の個数: 32

約数和(自身を含む): 194201280

約数和(自身を除く): 55242785

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 1235, 2405, 3041, 3515, 9139, 15205, 39533, 45695, 57779, 112517, 197665, 288895, 562585, 751127, 1462721, 2137823, 3755635, 7313605, 10689115, 27791699, 138958495]

約数ペア:

[(1, 138958495), (5, 27791699), (13, 10689115), (19, 7313605), (37, 3755635), (65, 2137823), (95, 1462721), (185, 751127), (247, 562585), (481, 288895), (703, 197665), (1235, 112517), (2405, 57779), (3041, 45695), (3515, 39533), (9139, 15205)]