25216401

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63199}}^1$

素因数の和:63228

約数の個数: 16

約数和(自身を含む): 40448000

約数和(自身を除く): 15231599

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 63199, 189597, 442393, 1200781, 1327179, 3602343, 8405467, 25216401]

約数ペア:

[(1, 25216401), (3, 8405467), (7, 3602343), (19, 1327179), (21, 1200781), (57, 442393), (133, 189597), (399, 63199)]