257340672001

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{86095909}}^1$

素因数の和:86095984

約数の個数: 12

約数和(自身を含む): 304262945940

約数和(自身を除く): 46922273939

約数列:

[1, 7, 49, 61, 427, 2989, 86095909, 602671363, 4218699541, 5251850449, 36762953143, 257340672001]

約数ペア:

[(1, 257340672001), (7, 36762953143), (49, 5251850449), (61, 4218699541), (427, 602671363), (2989, 86095909)]