28907710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222367}}^1$

素因数の和:222387

約数の個数: 16

約数和(自身を含む): 56036736

約数和(自身を除く): 27129026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222367, 444734, 1111835, 2223670, 2890771, 5781542, 14453855, 28907710]

約数ペア:

[(1, 28907710), (2, 14453855), (5, 5781542), (10, 2890771), (13, 2223670), (26, 1111835), (65, 444734), (130, 222367)]