71678630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421639}}^1$

素因数の和:421663

約数の個数: 16

約数和(自身を含む): 136611360

約数和(自身を除く): 64932730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 421639, 843278, 2108195, 4216390, 7167863, 14335726, 35839315, 71678630]

約数ペア:

[(1, 71678630), (2, 35839315), (5, 14335726), (10, 7167863), (17, 4216390), (34, 2108195), (85, 843278), (170, 421639)]