64469780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{189617}}^1$

素因数の和:189643

約数の個数: 24

約数和(自身を含む): 143351208

約数和(自身を除く): 78881428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 189617, 379234, 758468, 948085, 1896170, 3223489, 3792340, 6446978, 12893956, 16117445, 32234890, 64469780]

約数ペア:

[(1, 64469780), (2, 32234890), (4, 16117445), (5, 12893956), (10, 6446978), (17, 3792340), (20, 3223489), (34, 1896170), (68, 948085), (85, 758468), (170, 379234), (340, 189617)]