28387528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2551}}^1$

素因数の和:2677

約数の個数: 32

約数和(自身を含む): 57879360

約数和(自身を除く): 29491832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 2551, 2782, 5102, 5564, 10204, 11128, 20408, 33163, 66326, 132652, 265304, 272957, 545914, 1091828, 2183656, 3548441, 7096882, 14193764, 28387528]

約数ペア:

[(1, 28387528), (2, 14193764), (4, 7096882), (8, 3548441), (13, 2183656), (26, 1091828), (52, 545914), (104, 272957), (107, 265304), (214, 132652), (428, 66326), (856, 33163), (1391, 20408), (2551, 11128), (2782, 10204), (5102, 5564)]