778840816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{7187}}^1$

素因数の和:7729

約数の個数: 40

約数和(自身を含む): 1628427024

約数和(自身を除く): 849586208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 521, 1042, 2084, 4168, 6773, 7187, 8336, 13546, 14374, 27092, 28748, 54184, 57496, 93431, 108368, 114992, 186862, 373724, 747448, 1494896, 3744427, 7488854, 14977708, 29955416, 48677551, 59910832, 97355102, 194710204, 389420408, 778840816]

約数ペア:

[(1, 778840816), (2, 389420408), (4, 194710204), (8, 97355102), (13, 59910832), (16, 48677551), (26, 29955416), (52, 14977708), (104, 7488854), (208, 3744427), (521, 1494896), (1042, 747448), (2084, 373724), (4168, 186862), (6773, 114992), (7187, 108368), (8336, 93431), (13546, 57496), (14374, 54184), (27092, 28748)]