2016987115

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19727}}^1$

素因数の和:19780

約数の個数: 36

約数和(自身を含む): 2880958752

約数和(自身を除く): 863971637

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 169, 605, 715, 845, 1573, 1859, 7865, 9295, 19727, 20449, 98635, 102245, 216997, 256451, 1084985, 1282255, 2386967, 2820961, 3333863, 11934835, 14104805, 16669315, 31030571, 36672493, 155152855, 183362465, 403397423, 2016987115]

約数ペア:

[(1, 2016987115), (5, 403397423), (11, 183362465), (13, 155152855), (55, 36672493), (65, 31030571), (121, 16669315), (143, 14104805), (169, 11934835), (605, 3333863), (715, 2820961), (845, 2386967), (1573, 1282255), (1859, 1084985), (7865, 256451), (9295, 216997), (19727, 102245), (20449, 98635)]