81648136

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{42703}}^1$

素因数の和:42948

約数の個数: 16

約数和(自身を含む): 153734400

約数和(自身を除く): 72086264

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 42703, 85406, 170812, 341624, 10206017, 20412034, 40824068, 81648136]

約数ペア:

[(1, 81648136), (2, 40824068), (4, 20412034), (8, 10206017), (239, 341624), (478, 170812), (956, 85406), (1912, 42703)]