287434550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{442207}}^1$

素因数の和:442232

約数の個数: 24

約数和(自身を含む): 575754816

約数和(自身を除く): 288320266

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 442207, 884414, 2211035, 4422070, 5748691, 11055175, 11497382, 22110350, 28743455, 57486910, 143717275, 287434550]

約数ペア:

[(1, 287434550), (2, 143717275), (5, 57486910), (10, 28743455), (13, 22110350), (25, 11497382), (26, 11055175), (50, 5748691), (65, 4422070), (130, 2211035), (325, 884414), (650, 442207)]