8243725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 12486304

約数和(自身を除く): 4242579

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 163, 175, 289, 425, 595, 815, 1141, 1445, 2023, 2771, 2975, 4075, 5705, 7225, 10115, 13855, 19397, 28525, 47107, 50575, 69275, 96985, 235535, 329749, 484925, 1177675, 1648745, 8243725]

約数ペア:

[(1, 8243725), (5, 1648745), (7, 1177675), (17, 484925), (25, 329749), (35, 235535), (85, 96985), (119, 69275), (163, 50575), (175, 47107), (289, 28525), (425, 19397), (595, 13855), (815, 10115), (1141, 7225), (1445, 5705), (2023, 4075), (2771, 2975)]