64705823

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 81702432

約数和(自身を除く): 16996609

約数列:

[1, 7, 13, 49, 91, 157, 637, 647, 1099, 2041, 4529, 7693, 8411, 14287, 31703, 58877, 100009, 101579, 412139, 711053, 1320527, 4977371, 9243689, 64705823]

約数ペア:

[(1, 64705823), (7, 9243689), (13, 4977371), (49, 1320527), (91, 711053), (157, 412139), (637, 101579), (647, 100009), (1099, 58877), (2041, 31703), (4529, 14287), (7693, 8411)]