28745215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10909}}^1$

素因数の和:10962

約数の個数: 16

約数和(自身を含む): 37704960

約数和(自身を除く): 8959745

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 10909, 54545, 185453, 338179, 927265, 1690895, 5749043, 28745215]

約数ペア:

[(1, 28745215), (5, 5749043), (17, 1690895), (31, 927265), (85, 338179), (155, 185453), (527, 54545), (2635, 10909)]