64893521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1877}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 81129600

約数和(自身を除く): 16236079

約数列:

[1, 7, 11, 77, 449, 1877, 3143, 4939, 13139, 20647, 34573, 144529, 842773, 5899411, 9270503, 64893521]

約数ペア:

[(1, 64893521), (7, 9270503), (11, 5899411), (77, 842773), (449, 144529), (1877, 34573), (3143, 20647), (4939, 13139)]