81133330

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 148780800

約数和(自身を除く): 67647470

約数列:

[1, 2, 5, 10, 83, 166, 239, 409, 415, 478, 818, 830, 1195, 2045, 2390, 4090, 19837, 33947, 39674, 67894, 97751, 99185, 169735, 195502, 198370, 339470, 488755, 977510, 8113333, 16226666, 40566665, 81133330]

約数ペア:

[(1, 81133330), (2, 40566665), (5, 16226666), (10, 8113333), (83, 977510), (166, 488755), (239, 339470), (409, 198370), (415, 195502), (478, 169735), (818, 99185), (830, 97751), (1195, 67894), (2045, 39674), (2390, 33947), (4090, 19837)]