12821468270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{200869}}^1$

素因数の和:201380

約数の個数: 32

約数和(自身を含む): 24904666080

約数和(自身を除く): 12083197810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 491, 982, 2455, 4910, 6383, 12766, 31915, 63830, 200869, 401738, 1004345, 2008690, 2611297, 5222594, 13056485, 26112970, 98626679, 197253358, 493133395, 986266790, 1282146827, 2564293654, 6410734135, 12821468270]

約数ペア:

[(1, 12821468270), (2, 6410734135), (5, 2564293654), (10, 1282146827), (13, 986266790), (26, 493133395), (65, 197253358), (130, 98626679), (491, 26112970), (982, 13056485), (2455, 5222594), (4910, 2611297), (6383, 2008690), (12766, 1004345), (31915, 401738), (63830, 200869)]