64904515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2963}}^1$

素因数の和:3318

約数の個数: 16

約数和(自身を含む): 84153888

約数和(自身を除く): 19249373

約数列:

[1, 5, 13, 65, 337, 1685, 2963, 4381, 14815, 21905, 38519, 192595, 998531, 4992655, 12980903, 64904515]

約数ペア:

[(1, 64904515), (5, 12980903), (13, 4992655), (65, 998531), (337, 192595), (1685, 38519), (2963, 21905), (4381, 14815)]