2581567495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1\times {\mathrm{1879}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 3486873600

約数和(自身を除く): 905306105

約数列:

[1, 5, 13, 23, 65, 115, 299, 919, 1495, 1879, 4595, 9395, 11947, 21137, 24427, 43217, 59735, 105685, 122135, 216085, 274781, 561821, 1373905, 1726801, 2809105, 8634005, 22448413, 39716423, 112242065, 198582115, 516313499, 2581567495]

約数ペア:

[(1, 2581567495), (5, 516313499), (13, 198582115), (23, 112242065), (65, 39716423), (115, 22448413), (299, 8634005), (919, 2809105), (1495, 1726801), (1879, 1373905), (4595, 561821), (9395, 274781), (11947, 216085), (21137, 122135), (24427, 105685), (43217, 59735)]