208442416

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 499968000

約数和(自身を除く): 291525584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 239, 364, 478, 599, 728, 956, 1198, 1456, 1673, 1912, 2396, 3107, 3346, 3824, 4193, 4792, 6214, 6692, 7787, 8386, 9584, 12428, 13384, 15574, 16772, 21749, 24856, 26768, 31148, 33544, 43498, 49712, 54509, 62296, 67088, 86996, 109018, 124592, 143161, 173992, 218036, 286322, 347984, 436072, 572644, 872144, 1002127, 1145288, 1861093, 2004254, 2290576, 3722186, 4008508, 7444372, 8017016, 13027651, 14888744, 16034032, 26055302, 29777488, 52110604, 104221208, 208442416]

約数ペア:

[(1, 208442416), (2, 104221208), (4, 52110604), (7, 29777488), (8, 26055302), (13, 16034032), (14, 14888744), (16, 13027651), (26, 8017016), (28, 7444372), (52, 4008508), (56, 3722186), (91, 2290576), (104, 2004254), (112, 1861093), (182, 1145288), (208, 1002127), (239, 872144), (364, 572644), (478, 436072), (599, 347984), (728, 286322), (956, 218036), (1198, 173992), (1456, 143161), (1673, 124592), (1912, 109018), (2396, 86996), (3107, 67088), (3346, 62296), (3824, 54509), (4193, 49712), (4792, 43498), (6214, 33544), (6692, 31148), (7787, 26768), (8386, 24856), (9584, 21749), (12428, 16772), (13384, 15574)]