388931312

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{315691}}^1$

素因数の和:315717

約数の個数: 40

約数和(自身を含む): 939499392

約数和(自身を除く): 550568080

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 315691, 631382, 1262764, 2209837, 2525528, 3472601, 4419674, 5051056, 6945202, 8839348, 13890404, 17678696, 24308207, 27780808, 35357392, 48616414, 55561616, 97232828, 194465656, 388931312]

約数ペア:

[(1, 388931312), (2, 194465656), (4, 97232828), (7, 55561616), (8, 48616414), (11, 35357392), (14, 27780808), (16, 24308207), (22, 17678696), (28, 13890404), (44, 8839348), (56, 6945202), (77, 5051056), (88, 4419674), (112, 3472601), (154, 2525528), (176, 2209837), (308, 1262764), (616, 631382), (1232, 315691)]