159902785

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{198637}}^1$

素因数の和:198672

約数の個数: 16

約数和(自身を含む): 228830976

約数和(自身を除く): 68928191

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 198637, 993185, 1390459, 4568651, 6952295, 22843255, 31980557, 159902785]

約数ペア:

[(1, 159902785), (5, 31980557), (7, 22843255), (23, 6952295), (35, 4568651), (115, 1390459), (161, 993185), (805, 198637)]