81774910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28493}}^1$

素因数の和:28548

約数の個数: 32

約数和(自身を含む): 172331712

約数和(自身を除く): 90556802

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 28493, 56986, 142465, 199451, 284930, 398902, 997255, 1168213, 1994510, 2336426, 5841065, 8177491, 11682130, 16354982, 40887455, 81774910]

約数ペア:

[(1, 81774910), (2, 40887455), (5, 16354982), (7, 11682130), (10, 8177491), (14, 5841065), (35, 2336426), (41, 1994510), (70, 1168213), (82, 997255), (205, 398902), (287, 284930), (410, 199451), (574, 142465), (1435, 56986), (2870, 28493)]