1316225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 1830240

約数和(自身を除く): 514015

約数列:

[1, 5, 17, 19, 25, 85, 95, 163, 323, 425, 475, 815, 1615, 2771, 3097, 4075, 8075, 13855, 15485, 52649, 69275, 77425, 263245, 1316225]

約数ペア:

[(1, 1316225), (5, 263245), (17, 77425), (19, 69275), (25, 52649), (85, 15485), (95, 13855), (163, 8075), (323, 4075), (425, 3097), (475, 2771), (815, 1615)]