64694590

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{16631}}^1$

素因数の和:17027

約数の個数: 16

約数和(自身を含む): 116756640

約数和(自身を除く): 52062050

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 16631, 33262, 83155, 166310, 6469459, 12938918, 32347295, 64694590]

約数ペア:

[(1, 64694590), (2, 32347295), (5, 12938918), (10, 6469459), (389, 166310), (778, 83155), (1945, 33262), (3890, 16631)]