64805585

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 84818304

約数和(自身を除く): 20012719

約数列:

[1, 5, 13, 65, 169, 271, 283, 845, 1355, 1415, 3523, 3679, 17615, 18395, 45799, 47827, 76693, 228995, 239135, 383465, 997009, 4985045, 12961117, 64805585]

約数ペア:

[(1, 64805585), (5, 12961117), (13, 4985045), (65, 997009), (169, 383465), (271, 239135), (283, 228995), (845, 76693), (1355, 47827), (1415, 45799), (3523, 18395), (3679, 17615)]