989315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 16

約数和(自身を含む): 1280448

約数和(自身を除く): 291133

約数列:

[1, 5, 17, 85, 103, 113, 515, 565, 1751, 1921, 8755, 9605, 11639, 58195, 197863, 989315]

約数ペア:

[(1, 989315), (5, 197863), (17, 58195), (85, 11639), (103, 9605), (113, 8755), (515, 1921), (565, 1751)]