128907275

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5623}}^1$

素因数の和:5771

約数の個数: 24

約数和(自身を含む): 184107264

約数和(自身を除く): 55199989

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 917, 3275, 4585, 5623, 22925, 28115, 39361, 140575, 196805, 736613, 984025, 3683065, 5156291, 18415325, 25781455, 128907275]

約数ペア:

[(1, 128907275), (5, 25781455), (7, 18415325), (25, 5156291), (35, 3683065), (131, 984025), (175, 736613), (655, 196805), (917, 140575), (3275, 39361), (4585, 28115), (5623, 22925)]