168518690

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{43321}}^1$

素因数の和:43717

約数の個数: 16

約数和(自身を含む): 304120440

約数和(自身を除く): 135601750

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 43321, 86642, 216605, 433210, 16851869, 33703738, 84259345, 168518690]

約数ペア:

[(1, 168518690), (2, 84259345), (5, 33703738), (10, 16851869), (389, 433210), (778, 216605), (1945, 86642), (3890, 43321)]