28041104

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19259}}^1$

素因数の和:19287

約数の個数: 40

約数和(自身を含む): 66870720

約数和(自身を除く): 38829616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19259, 38518, 77036, 134813, 154072, 250367, 269626, 308144, 500734, 539252, 1001468, 1078504, 1752569, 2002936, 2157008, 3505138, 4005872, 7010276, 14020552, 28041104]

約数ペア:

[(1, 28041104), (2, 14020552), (4, 7010276), (7, 4005872), (8, 3505138), (13, 2157008), (14, 2002936), (16, 1752569), (26, 1078504), (28, 1001468), (52, 539252), (56, 500734), (91, 308144), (104, 269626), (112, 250367), (182, 154072), (208, 134813), (364, 77036), (728, 38518), (1456, 19259)]