641152897

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{25309}}^1$

素因数の和:25381

約数の個数: 24

約数和(自身を含む): 830977920

約数和(自身を除く): 189825023

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2303, 3619, 25309, 25333, 177163, 278399, 1189523, 1240141, 1948793, 8326661, 13084753, 13641551, 58286627, 91593271, 641152897]

約数ペア:

[(1, 641152897), (7, 91593271), (11, 58286627), (47, 13641551), (49, 13084753), (77, 8326661), (329, 1948793), (517, 1240141), (539, 1189523), (2303, 278399), (3619, 177163), (25309, 25333)]