66778901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1031}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 80578560

約数和(自身を除く): 13799659

約数列:

[1, 7, 19, 133, 487, 1031, 3409, 7217, 9253, 19589, 64771, 137123, 502097, 3514679, 9539843, 66778901]

約数ペア:

[(1, 66778901), (7, 9539843), (19, 3514679), (133, 502097), (487, 137123), (1031, 64771), (3409, 19589), (7217, 9253)]