144664780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{556403}}^1$

素因数の和:556425

約数の個数: 24

約数和(自身を含む): 327165552

約数和(自身を除く): 182500772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 556403, 1112806, 2225612, 2782015, 5564030, 7233239, 11128060, 14466478, 28932956, 36166195, 72332390, 144664780]

約数ペア:

[(1, 144664780), (2, 72332390), (4, 36166195), (5, 28932956), (10, 14466478), (13, 11128060), (20, 7233239), (26, 5564030), (52, 2782015), (65, 2225612), (130, 1112806), (260, 556403)]