16996825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 21922208

約数和(自身を除く): 4925383

約数列:

[1, 5, 25, 43, 97, 163, 215, 485, 815, 1075, 2425, 4075, 4171, 7009, 15811, 20855, 35045, 79055, 104275, 175225, 395275, 679873, 3399365, 16996825]

約数ペア:

[(1, 16996825), (5, 3399365), (25, 679873), (43, 395275), (97, 175225), (163, 104275), (215, 79055), (485, 35045), (815, 20855), (1075, 15811), (2425, 7009), (4075, 4171)]