1218986495

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{12269}}^1$

素因数の和:12946

約数の個数: 16

約数和(自身を含む): 1512449280

約数和(自身を除く): 293462785

約数列:

[1, 5, 31, 155, 641, 3205, 12269, 19871, 61345, 99355, 380339, 1901695, 7864429, 39322145, 243797299, 1218986495]

約数ペア:

[(1, 1218986495), (5, 243797299), (31, 39322145), (155, 7864429), (641, 1901695), (3205, 380339), (12269, 99355), (19871, 61345)]