81412436

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{28229}}^1$

素因数の和:28343

約数の個数: 24

約数和(自身を含む): 164411520

約数和(自身を除く): 82999084

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 28229, 56458, 112916, 197603, 395206, 790412, 2907587, 5815174, 11630348, 20353109, 40706218, 81412436]

約数ペア:

[(1, 81412436), (2, 40706218), (4, 20353109), (7, 11630348), (14, 5815174), (28, 2907587), (103, 790412), (206, 395206), (412, 197603), (721, 112916), (1442, 56458), (2884, 28229)]