28731808

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4423}}^1$

素因数の和:4469

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 38159072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 4423, 6496, 8846, 17692, 30961, 35384, 61922, 70768, 123844, 128267, 141536, 247688, 256534, 495376, 513068, 897869, 990752, 1026136, 1795738, 2052272, 3591476, 4104544, 7182952, 14365904, 28731808]

約数ペア:

[(1, 28731808), (2, 14365904), (4, 7182952), (7, 4104544), (8, 3591476), (14, 2052272), (16, 1795738), (28, 1026136), (29, 990752), (32, 897869), (56, 513068), (58, 495376), (112, 256534), (116, 247688), (203, 141536), (224, 128267), (232, 123844), (406, 70768), (464, 61922), (812, 35384), (928, 30961), (1624, 17692), (3248, 8846), (4423, 6496)]