280531004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{12517}}^1$

素因数の和:12965

約数の個数: 24

約数和(自身を含む): 529962048

約数和(自身を除く): 249431044

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 1724, 5603, 11206, 12517, 22412, 25034, 50068, 162721, 325442, 650884, 5394827, 10789654, 21579308, 70132751, 140265502, 280531004]

約数ペア:

[(1, 280531004), (2, 140265502), (4, 70132751), (13, 21579308), (26, 10789654), (52, 5394827), (431, 650884), (862, 325442), (1724, 162721), (5603, 50068), (11206, 25034), (12517, 22412)]