87290645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{31231}}^1$

素因数の和:31292

約数の個数: 16

約数和(自身を含む): 115433472

約数和(自身を除く): 28142827

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 31231, 156155, 406003, 1342933, 2030015, 6714665, 17458129, 87290645]

約数ペア:

[(1, 87290645), (5, 17458129), (13, 6714665), (43, 2030015), (65, 1342933), (215, 406003), (559, 156155), (2795, 31231)]