81802798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{821}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 153404928

約数和(自身を除く): 71602130

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 647, 821, 1294, 1642, 4529, 5747, 7117, 9031, 9058, 11494, 14234, 18062, 49819, 63217, 99638, 126434, 531187, 1062374, 3718309, 5843057, 7436618, 11686114, 40901399, 81802798]

約数ペア:

[(1, 81802798), (2, 40901399), (7, 11686114), (11, 7436618), (14, 5843057), (22, 3718309), (77, 1062374), (154, 531187), (647, 126434), (821, 99638), (1294, 63217), (1642, 49819), (4529, 18062), (5747, 14234), (7117, 11494), (9031, 9058)]