28949525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 41143200

約数和(自身を除く): 12193675

約数列:

[1, 5, 11, 23, 25, 55, 115, 199, 253, 275, 529, 575, 995, 1265, 2189, 2645, 4577, 4975, 5819, 6325, 10945, 13225, 22885, 29095, 50347, 54725, 105271, 114425, 145475, 251735, 526355, 1157981, 1258675, 2631775, 5789905, 28949525]

約数ペア:

[(1, 28949525), (5, 5789905), (11, 2631775), (23, 1258675), (25, 1157981), (55, 526355), (115, 251735), (199, 145475), (253, 114425), (275, 105271), (529, 54725), (575, 50347), (995, 29095), (1265, 22885), (2189, 13225), (2645, 10945), (4577, 6325), (4975, 5819)]