166397740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{156979}}^1$

素因数の和:157041

約数の個数: 24

約数和(自身を含む): 356030640

約数和(自身を除く): 189632900

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 156979, 313958, 627916, 784895, 1569790, 3139580, 8319887, 16639774, 33279548, 41599435, 83198870, 166397740]

約数ペア:

[(1, 166397740), (2, 83198870), (4, 41599435), (5, 33279548), (10, 16639774), (20, 8319887), (53, 3139580), (106, 1569790), (212, 784895), (265, 627916), (530, 313958), (1060, 156979)]