81557774

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{4127}}^1$

素因数の和:4411

約数の個数: 16

約数和(自身を含む): 125870976

約数和(自身を除く): 44313202

約数列:

[1, 2, 41, 82, 241, 482, 4127, 8254, 9881, 19762, 169207, 338414, 994607, 1989214, 40778887, 81557774]

約数ペア:

[(1, 81557774), (2, 40778887), (41, 1989214), (82, 994607), (241, 338414), (482, 169207), (4127, 19762), (8254, 9881)]