78527911

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 107251200

約数和(自身を除く): 28723289

約数列:

[1, 7, 11, 23, 29, 77, 121, 139, 161, 203, 253, 319, 667, 847, 973, 1529, 1771, 2233, 2783, 3197, 3509, 4031, 4669, 7337, 10703, 16819, 19481, 22379, 24563, 28217, 35167, 44341, 51359, 80707, 92713, 117733, 246169, 310387, 386837, 487751, 564949, 648991, 1019843, 2707859, 3414257, 7138901, 11218273, 78527911]

約数ペア:

[(1, 78527911), (7, 11218273), (11, 7138901), (23, 3414257), (29, 2707859), (77, 1019843), (121, 648991), (139, 564949), (161, 487751), (203, 386837), (253, 310387), (319, 246169), (667, 117733), (847, 92713), (973, 80707), (1529, 51359), (1771, 44341), (2233, 35167), (2783, 28217), (3197, 24563), (3509, 22379), (4031, 19481), (4669, 16819), (7337, 10703)]