217266959

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{2887}}^1$

素因数の和:3734

約数の個数: 16

約数和(自身を含む): 267821568

約数和(自身を除く): 50554609

約数列:

[1, 7, 13, 91, 827, 2887, 5789, 10751, 20209, 37531, 75257, 262717, 2387549, 16712843, 31038137, 217266959]

約数ペア:

[(1, 217266959), (7, 31038137), (13, 16712843), (91, 2387549), (827, 262717), (2887, 75257), (5789, 37531), (10751, 20209)]