81946064

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{18899}}^1$

素因数の和:19178

約数の個数: 20

約数和(自身を含む): 159364800

約数和(自身を除く): 77418736

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 18899, 37798, 75596, 151192, 302384, 5121629, 10243258, 20486516, 40973032, 81946064]

約数ペア:

[(1, 81946064), (2, 40973032), (4, 20486516), (8, 10243258), (16, 5121629), (271, 302384), (542, 151192), (1084, 75596), (2168, 37798), (4336, 18899)]