64891390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{82141}}^1$

素因数の和:82227

約数の個数: 16

約数和(自身を含む): 118284480

約数和(自身を除く): 53393090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 82141, 164282, 410705, 821410, 6489139, 12978278, 32445695, 64891390]

約数ペア:

[(1, 64891390), (2, 32445695), (5, 12978278), (10, 6489139), (79, 821410), (158, 410705), (395, 164282), (790, 82141)]