157216784

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 309146880

約数和(自身を除く): 151930096

約数列:

[1, 2, 4, 8, 16, 139, 223, 278, 317, 446, 556, 634, 892, 1112, 1268, 1784, 2224, 2536, 3568, 5072, 30997, 44063, 61994, 70691, 88126, 123988, 141382, 176252, 247976, 282764, 352504, 495952, 565528, 705008, 1131056, 9826049, 19652098, 39304196, 78608392, 157216784]

約数ペア:

[(1, 157216784), (2, 78608392), (4, 39304196), (8, 19652098), (16, 9826049), (139, 1131056), (223, 705008), (278, 565528), (317, 495952), (446, 352504), (556, 282764), (634, 247976), (892, 176252), (1112, 141382), (1268, 123988), (1784, 88126), (2224, 70691), (2536, 61994), (3568, 44063), (5072, 30997)]