664273490

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{507079}}^1$

素因数の和:507217

約数の個数: 16

約数和(自身を含む): 1204822080

約数和(自身を除く): 540548590

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 507079, 1014158, 2535395, 5070790, 66427349, 132854698, 332136745, 664273490]

約数ペア:

[(1, 664273490), (2, 332136745), (5, 132854698), (10, 66427349), (131, 5070790), (262, 2535395), (655, 1014158), (1310, 507079)]