90889721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 104529600

約数和(自身を除く): 13639879

約数列:

[1, 13, 23, 67, 169, 299, 349, 871, 1541, 3887, 4537, 8027, 11323, 20033, 23383, 58981, 104351, 260429, 303979, 537809, 1356563, 3951727, 6991517, 90889721]

約数ペア:

[(1, 90889721), (13, 6991517), (23, 3951727), (67, 1356563), (169, 537809), (299, 303979), (349, 260429), (871, 104351), (1541, 58981), (3887, 23383), (4537, 20033), (8027, 11323)]