26981801

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 34621344

約数和(自身を除く): 7639543

約数列:

[1, 7, 11, 49, 77, 113, 443, 539, 791, 1243, 3101, 4873, 5537, 8701, 21707, 34111, 50059, 60907, 238777, 350413, 550649, 2452891, 3854543, 26981801]

約数ペア:

[(1, 26981801), (7, 3854543), (11, 2452891), (49, 550649), (77, 350413), (113, 238777), (443, 60907), (539, 50059), (791, 34111), (1243, 21707), (3101, 8701), (4873, 5537)]