64264921

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 78796800

約数和(自身を除く): 14531879

約数列:

[1, 7, 23, 49, 127, 161, 449, 889, 1127, 2921, 3143, 6223, 10327, 20447, 22001, 57023, 72289, 143129, 399161, 506023, 1311529, 2794127, 9180703, 64264921]

約数ペア:

[(1, 64264921), (7, 9180703), (23, 2794127), (49, 1311529), (127, 506023), (161, 399161), (449, 143129), (889, 72289), (1127, 57023), (2921, 22001), (3143, 20447), (6223, 10327)]