81158230

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 148798944

約数和(自身を除く): 67640714

約数列:

[1, 2, 5, 10, 83, 166, 277, 353, 415, 554, 706, 830, 1385, 1765, 2770, 3530, 22991, 29299, 45982, 58598, 97781, 114955, 146495, 195562, 229910, 292990, 488905, 977810, 8115823, 16231646, 40579115, 81158230]

約数ペア:

[(1, 81158230), (2, 40579115), (5, 16231646), (10, 8115823), (83, 977810), (166, 488905), (277, 292990), (353, 229910), (415, 195562), (554, 146495), (706, 114955), (830, 97781), (1385, 58598), (1765, 45982), (2770, 29299), (3530, 22991)]