81655408

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{4801}}^1$

素因数の和:5872

約数の個数: 20

約数和(自身を含む): 158389168

約数和(自身を除く): 76733760

約数列:

[1, 2, 4, 8, 16, 1063, 2126, 4252, 4801, 8504, 9602, 17008, 19204, 38408, 76816, 5103463, 10206926, 20413852, 40827704, 81655408]

約数ペア:

[(1, 81655408), (2, 40827704), (4, 20413852), (8, 10206926), (16, 5103463), (1063, 76816), (2126, 38408), (4252, 19204), (4801, 17008), (8504, 9602)]