64968215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43457}}^1$

素因数の和:43498

約数の個数: 16

約数和(自身を含む): 87611328

約数和(自身を除く): 22643113

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 43457, 217285, 564941, 999511, 2824705, 4997555, 12993643, 64968215]

約数ペア:

[(1, 64968215), (5, 12993643), (13, 4997555), (23, 2824705), (65, 999511), (115, 564941), (299, 217285), (1495, 43457)]