12808045

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 15776640

約数和(自身を除く): 2968595

約数列:

[1, 5, 71, 109, 331, 355, 545, 1655, 7739, 23501, 36079, 38695, 117505, 180395, 2561609, 12808045]

約数ペア:

[(1, 12808045), (5, 2561609), (71, 180395), (109, 117505), (331, 38695), (355, 36079), (545, 23501), (1655, 7739)]