81070256

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{136943}}^1$

素因数の和:136988

約数の個数: 20

約数和(自身を含む): 161320032

約数和(自身を除く): 80249776

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 136943, 273886, 547772, 1095544, 2191088, 5066891, 10133782, 20267564, 40535128, 81070256]

約数ペア:

[(1, 81070256), (2, 40535128), (4, 20267564), (8, 10133782), (16, 5066891), (37, 2191088), (74, 1095544), (148, 547772), (296, 273886), (592, 136943)]