218193820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839207}}^1$

素因数の和:839229

約数の個数: 24

約数和(自身を含む): 493454304

約数和(自身を除く): 275260484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 839207, 1678414, 3356828, 4196035, 8392070, 10909691, 16784140, 21819382, 43638764, 54548455, 109096910, 218193820]

約数ペア:

[(1, 218193820), (2, 109096910), (4, 54548455), (5, 43638764), (10, 21819382), (13, 16784140), (20, 10909691), (26, 8392070), (52, 4196035), (65, 3356828), (130, 1678414), (260, 839207)]