28688244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1063}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 72573312

約数和(自身を除く): 43885068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 173, 346, 519, 692, 1038, 1063, 2076, 2126, 2249, 3189, 4252, 4498, 6378, 6747, 8996, 12756, 13494, 13819, 26988, 27638, 41457, 55276, 82914, 165828, 183899, 367798, 551697, 735596, 1103394, 2206788, 2390687, 4781374, 7172061, 9562748, 14344122, 28688244]

約数ペア:

[(1, 28688244), (2, 14344122), (3, 9562748), (4, 7172061), (6, 4781374), (12, 2390687), (13, 2206788), (26, 1103394), (39, 735596), (52, 551697), (78, 367798), (156, 183899), (173, 165828), (346, 82914), (519, 55276), (692, 41457), (1038, 27638), (1063, 26988), (2076, 13819), (2126, 13494), (2249, 12756), (3189, 8996), (4252, 6747), (4498, 6378)]