81718192

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{22303}}^1$

素因数の和:22540

約数の個数: 20

約数和(自身を含む): 159027520

約数和(自身を除く): 77309328

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 22303, 44606, 89212, 178424, 356848, 5107387, 10214774, 20429548, 40859096, 81718192]

約数ペア:

[(1, 81718192), (2, 40859096), (4, 20429548), (8, 10214774), (16, 5107387), (229, 356848), (458, 178424), (916, 89212), (1832, 44606), (3664, 22303)]