209401495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{3727}}^1$

素因数の和:4410

約数の個数: 16

約数和(自身を含む): 266537088

約数和(自身を除く): 57135593

約数列:

[1, 5, 17, 85, 661, 3305, 3727, 11237, 18635, 56185, 63359, 316795, 2463547, 12317735, 41880299, 209401495]

約数ペア:

[(1, 209401495), (5, 41880299), (17, 12317735), (85, 2463547), (661, 316795), (3305, 63359), (3727, 56185), (11237, 18635)]