28687910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{150989}}^1$

素因数の和:151015

約数の個数: 16

約数和(自身を含む): 54356400

約数和(自身を除く): 25668490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 150989, 301978, 754945, 1509890, 2868791, 5737582, 14343955, 28687910]

約数ペア:

[(1, 28687910), (2, 14343955), (5, 5737582), (10, 2868791), (19, 1509890), (38, 754945), (95, 301978), (190, 150989)]