1990352

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1395

約数の個数: 40

約数和(自身を含む): 4749696

約数和(自身を除く): 2759344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1367, 1456, 2734, 5468, 9569, 10936, 17771, 19138, 21872, 35542, 38276, 71084, 76552, 124397, 142168, 153104, 248794, 284336, 497588, 995176, 1990352]

約数ペア:

[(1, 1990352), (2, 995176), (4, 497588), (7, 284336), (8, 248794), (13, 153104), (14, 142168), (16, 124397), (26, 76552), (28, 71084), (52, 38276), (56, 35542), (91, 21872), (104, 19138), (112, 17771), (182, 10936), (208, 9569), (364, 5468), (728, 2734), (1367, 1456)]