81219418

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{30059}}^1$

素因数の和:30261

約数の個数: 16

約数和(自身を含む): 139959360

約数和(自身を除く): 58739942

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 30059, 60118, 210413, 420826, 5801387, 11602774, 40609709, 81219418]

約数ペア:

[(1, 81219418), (2, 40609709), (7, 11602774), (14, 5801387), (193, 420826), (386, 210413), (1351, 60118), (2702, 30059)]