81368462

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109661}}^1$

素因数の和:109723

約数の個数: 16

約数和(自身を含む): 142121952

約数和(自身を除く): 60753490

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 109661, 219322, 767627, 1535254, 5812033, 11624066, 40684231, 81368462]

約数ペア:

[(1, 81368462), (2, 40684231), (7, 11624066), (14, 5812033), (53, 1535254), (106, 767627), (371, 219322), (742, 109661)]