28311545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1327}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 36142848

約数和(自身を除く): 7831303

約数列:

[1, 5, 17, 85, 251, 1255, 1327, 4267, 6635, 21335, 22559, 112795, 333077, 1665385, 5662309, 28311545]

約数ペア:

[(1, 28311545), (5, 5662309), (17, 1665385), (85, 333077), (251, 112795), (1255, 22559), (1327, 21335), (4267, 6635)]