28640864

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4409}}^1$

素因数の和:4455

約数の個数: 48

約数和(自身を含む): 66679200

約数和(自身を除く): 38038336

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, 4409, 6496, 8818, 17636, 30863, 35272, 61726, 70544, 123452, 127861, 141088, 246904, 255722, 493808, 511444, 895027, 987616, 1022888, 1790054, 2045776, 3580108, 4091552, 7160216, 14320432, 28640864]

約数ペア:

[(1, 28640864), (2, 14320432), (4, 7160216), (7, 4091552), (8, 3580108), (14, 2045776), (16, 1790054), (28, 1022888), (29, 987616), (32, 895027), (56, 511444), (58, 493808), (112, 255722), (116, 246904), (203, 141088), (224, 127861), (232, 123452), (406, 70544), (464, 61726), (812, 35272), (928, 30863), (1624, 17636), (3248, 8818), (4409, 6496)]