6656390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51203}}^1$

素因数の和:51223

約数の個数: 16

約数和(自身を含む): 12903408

約数和(自身を除く): 6247018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 51203, 102406, 256015, 512030, 665639, 1331278, 3328195, 6656390]

約数ペア:

[(1, 6656390), (2, 3328195), (5, 1331278), (10, 665639), (13, 512030), (26, 256015), (65, 102406), (130, 51203)]