28237075

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 36198576

約数和(自身を除く): 7961501

約数列:

[1, 5, 25, 53, 101, 211, 265, 505, 1055, 1325, 2525, 5275, 5353, 11183, 21311, 26765, 55915, 106555, 133825, 279575, 532775, 1129483, 5647415, 28237075]

約数ペア:

[(1, 28237075), (5, 5647415), (25, 1129483), (53, 532775), (101, 279575), (211, 133825), (265, 106555), (505, 55915), (1055, 26765), (1325, 21311), (2525, 11183), (5275, 5353)]