78667211

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12473}}^1$

素因数の和:12550

約数の個数: 16

約数和(自身を含む): 96997824

約数和(自身を除く): 18330613

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 12473, 87311, 212041, 661069, 1484287, 4627483, 11238173, 78667211]

約数ペア:

[(1, 78667211), (7, 11238173), (17, 4627483), (53, 1484287), (119, 661069), (371, 212041), (901, 87311), (6307, 12473)]