71997736

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{21377}}^1$

素因数の和:21804

約数の個数: 16

約数和(自身を含む): 135322740

約数和(自身を除く): 63325004

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 21377, 42754, 85508, 171016, 8999717, 17999434, 35998868, 71997736]

約数ペア:

[(1, 71997736), (2, 35998868), (4, 17999434), (8, 8999717), (421, 171016), (842, 85508), (1684, 42754), (3368, 21377)]