89839985

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 116119680

約数和(自身を除く): 26279695

約数列:

[1, 5, 17, 79, 85, 289, 395, 787, 1343, 1445, 3935, 6715, 13379, 22831, 62173, 66895, 114155, 227443, 310865, 1056941, 1137215, 5284705, 17967997, 89839985]

約数ペア:

[(1, 89839985), (5, 17967997), (17, 5284705), (79, 1137215), (85, 1056941), (289, 310865), (395, 227443), (787, 114155), (1343, 66895), (1445, 62173), (3935, 22831), (6715, 13379)]