81694216

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{129263}}^1$

素因数の和:129348

約数の個数: 16

約数和(自身を含む): 155116800

約数和(自身を除く): 73422584

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 129263, 258526, 517052, 1034104, 10211777, 20423554, 40847108, 81694216]

約数ペア:

[(1, 81694216), (2, 40847108), (4, 20423554), (8, 10211777), (79, 1034104), (158, 517052), (316, 258526), (632, 129263)]