664353790

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{245149}}^1$

素因数の和:245427

約数の個数: 16

約数和(自身を含む): 1200254400

約数和(自身を除く): 535900610

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 245149, 490298, 1225745, 2451490, 66435379, 132870758, 332176895, 664353790]

約数ペア:

[(1, 664353790), (2, 332176895), (5, 132870758), (10, 66435379), (271, 2451490), (542, 1225745), (1355, 490298), (2710, 245149)]