89866985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 121325568

約数和(自身を除く): 31458583

約数列:

[1, 5, 13, 31, 65, 103, 155, 403, 433, 515, 1339, 2015, 2165, 3193, 5629, 6695, 13423, 15965, 28145, 41509, 44599, 67115, 174499, 207545, 222995, 579787, 872495, 1382569, 2898935, 6912845, 17973397, 89866985]

約数ペア:

[(1, 89866985), (5, 17973397), (13, 6912845), (31, 2898935), (65, 1382569), (103, 872495), (155, 579787), (403, 222995), (433, 207545), (515, 174499), (1339, 67115), (2015, 44599), (2165, 41509), (3193, 28145), (5629, 15965), (6695, 13423)]