81369772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{5039}}^1$

素因数の和:5421

約数の個数: 24

約数和(自身を含む): 155796480

約数和(自身を除く): 74426708

約数列:

[1, 2, 4, 11, 22, 44, 367, 734, 1468, 4037, 5039, 8074, 10078, 16148, 20156, 55429, 110858, 221716, 1849313, 3698626, 7397252, 20342443, 40684886, 81369772]

約数ペア:

[(1, 81369772), (2, 40684886), (4, 20342443), (11, 7397252), (22, 3698626), (44, 1849313), (367, 221716), (734, 110858), (1468, 55429), (4037, 20156), (5039, 16148), (8074, 10078)]