1289332928

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{1759}}^1$

素因数の和:2665

約数の個数: 56

約数和(自身を含む): 2760024960

約数和(自身を除く): 1470692032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 881, 1759, 1762, 3518, 3524, 7036, 7048, 11453, 14072, 14096, 22867, 22906, 28144, 28192, 45734, 45812, 56288, 56384, 91468, 91624, 112576, 182936, 183248, 365872, 366496, 731744, 732992, 1463488, 1549679, 3099358, 6198716, 12397432, 20145827, 24794864, 40291654, 49589728, 80583308, 99179456, 161166616, 322333232, 644666464, 1289332928]

約数ペア:

[(1, 1289332928), (2, 644666464), (4, 322333232), (8, 161166616), (13, 99179456), (16, 80583308), (26, 49589728), (32, 40291654), (52, 24794864), (64, 20145827), (104, 12397432), (208, 6198716), (416, 3099358), (832, 1549679), (881, 1463488), (1759, 732992), (1762, 731744), (3518, 366496), (3524, 365872), (7036, 183248), (7048, 182936), (11453, 112576), (14072, 91624), (14096, 91468), (22867, 56384), (22906, 56288), (28144, 45812), (28192, 45734)]