81036856

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{40357}}^1$

素因数の和:40614

約数の個数: 16

約数和(自身を含む): 152553240

約数和(自身を除く): 71516384

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 40357, 80714, 161428, 322856, 10129607, 20259214, 40518428, 81036856]

約数ペア:

[(1, 81036856), (2, 40518428), (4, 20259214), (8, 10129607), (251, 322856), (502, 161428), (1004, 80714), (2008, 40357)]