242994515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{7919}}^1$

素因数の和:7979

約数の個数: 24

約数和(自身を含む): 325892160

約数和(自身を除く): 82897645

約数列:

[1, 5, 17, 19, 85, 95, 323, 361, 1615, 1805, 6137, 7919, 30685, 39595, 134623, 150461, 673115, 752305, 2557837, 2858759, 12789185, 14293795, 48598903, 242994515]

約数ペア:

[(1, 242994515), (5, 48598903), (17, 14293795), (19, 12789185), (85, 2858759), (95, 2557837), (323, 752305), (361, 673115), (1615, 150461), (1805, 134623), (6137, 39595), (7919, 30685)]