64947965

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{1117}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 80898480

約数和(自身を除く): 15950515

約数列:

[1, 5, 29, 145, 401, 1117, 2005, 5585, 11629, 32393, 58145, 161965, 447917, 2239585, 12989593, 64947965]

約数ペア:

[(1, 64947965), (5, 12989593), (29, 2239585), (145, 447917), (401, 161965), (1117, 58145), (2005, 32393), (5585, 11629)]