31321810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{503}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 60963840

約数和(自身を除く): 29642030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 479, 503, 958, 1006, 2395, 2515, 4790, 5030, 6227, 6539, 12454, 13078, 31135, 32695, 62270, 65390, 240937, 481874, 1204685, 2409370, 3132181, 6264362, 15660905, 31321810]

約数ペア:

[(1, 31321810), (2, 15660905), (5, 6264362), (10, 3132181), (13, 2409370), (26, 1204685), (65, 481874), (130, 240937), (479, 65390), (503, 62270), (958, 32695), (1006, 31135), (2395, 13078), (2515, 12454), (4790, 6539), (5030, 6227)]