28569710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219767}}^1$

素因数の和:219787

約数の個数: 16

約数和(自身を含む): 55381536

約数和(自身を除く): 26811826

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219767, 439534, 1098835, 2197670, 2856971, 5713942, 14284855, 28569710]

約数ペア:

[(1, 28569710), (2, 14284855), (5, 5713942), (10, 2856971), (13, 2197670), (26, 1098835), (65, 439534), (130, 219767)]