168487915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 218949120

約数和(自身を除く): 50461205

約数列:

[1, 5, 19, 67, 95, 103, 257, 335, 515, 1273, 1285, 1957, 4883, 6365, 6901, 9785, 17219, 24415, 26471, 34505, 86095, 131119, 132355, 327161, 502949, 655595, 1635805, 1773557, 2514745, 8867785, 33697583, 168487915]

約数ペア:

[(1, 168487915), (5, 33697583), (19, 8867785), (67, 2514745), (95, 1773557), (103, 1635805), (257, 655595), (335, 502949), (515, 327161), (1273, 132355), (1285, 131119), (1957, 86095), (4883, 34505), (6365, 26471), (6901, 24415), (9785, 17219)]