816405070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6280039}}^1$

素因数の和:6280059

約数の個数: 16

約数和(自身を含む): 1582570080

約数和(自身を除く): 766165010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6280039, 12560078, 31400195, 62800390, 81640507, 163281014, 408202535, 816405070]

約数ペア:

[(1, 816405070), (2, 408202535), (5, 163281014), (10, 81640507), (13, 62800390), (26, 31400195), (65, 12560078), (130, 6280039)]