1279322135

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401671}}^1$

素因数の和:401703

約数の個数: 24

約数和(自身を含む): 1923205536

約数和(自身を除く): 643883401

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 401671, 2008355, 2811697, 5221723, 14058485, 19681879, 26108615, 36552061, 98409395, 182760305, 255864427, 1279322135]

約数ペア:

[(1, 1279322135), (5, 255864427), (7, 182760305), (13, 98409395), (35, 36552061), (49, 26108615), (65, 19681879), (91, 14058485), (245, 5221723), (455, 2811697), (637, 2008355), (3185, 401671)]