71978008

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{42641}}^1$

素因数の和:42858

約数の個数: 16

約数和(自身を含む): 135601560

約数和(自身を除く): 63623552

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 42641, 85282, 170564, 341128, 8997251, 17994502, 35989004, 71978008]

約数ペア:

[(1, 71978008), (2, 35989004), (4, 17994502), (8, 8997251), (211, 341128), (422, 170564), (844, 85282), (1688, 42641)]