25690987

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 30347712

約数和(自身を除く): 4656725

約数列:

[1, 7, 37, 259, 281, 353, 1967, 2471, 10397, 13061, 72779, 91427, 99193, 694351, 3670141, 25690987]

約数ペア:

[(1, 25690987), (7, 3670141), (37, 694351), (259, 99193), (281, 91427), (353, 72779), (1967, 13061), (2471, 10397)]