81977870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{13417}}^1$

素因数の和:13484

約数の個数: 32

約数和(自身を含む): 162304128

約数和(自身を除く): 80326258

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 13417, 26834, 67085, 134170, 174421, 348842, 630599, 872105, 1261198, 1744210, 3152995, 6305990, 8197787, 16395574, 40988935, 81977870]

約数ペア:

[(1, 81977870), (2, 40988935), (5, 16395574), (10, 8197787), (13, 6305990), (26, 3152995), (47, 1744210), (65, 1261198), (94, 872105), (130, 630599), (235, 348842), (470, 174421), (611, 134170), (1222, 67085), (3055, 26834), (6110, 13417)]