82421275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 105493248

約数和(自身を除く): 23071973

約数列:

[1, 5, 25, 41, 191, 205, 421, 955, 1025, 2105, 4775, 7831, 10525, 17261, 39155, 80411, 86305, 195775, 402055, 431525, 2010275, 3296851, 16484255, 82421275]

約数ペア:

[(1, 82421275), (5, 16484255), (25, 3296851), (41, 2010275), (191, 431525), (205, 402055), (421, 195775), (955, 86305), (1025, 80411), (2105, 39155), (4775, 17261), (7831, 10525)]