398619145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{14519}}^1$

素因数の和:14577

約数の個数: 24

約数和(自身を含む): 534916800

約数和(自身を除く): 136297655

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 1445, 1615, 5491, 14519, 27455, 72595, 246823, 275861, 1234115, 1379305, 4195991, 4689637, 20979955, 23448185, 79723829, 398619145]

約数ペア:

[(1, 398619145), (5, 79723829), (17, 23448185), (19, 20979955), (85, 4689637), (95, 4195991), (289, 1379305), (323, 1234115), (1445, 275861), (1615, 246823), (5491, 72595), (14519, 27455)]