31615568

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 64463880

約数和(自身を除く): 32848312

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 976, 1117, 1769, 2234, 3538, 4468, 7076, 8936, 14152, 17872, 28304, 32393, 64786, 68137, 129572, 136274, 259144, 272548, 518288, 545096, 1090192, 1975973, 3951946, 7903892, 15807784, 31615568]

約数ペア:

[(1, 31615568), (2, 15807784), (4, 7903892), (8, 3951946), (16, 1975973), (29, 1090192), (58, 545096), (61, 518288), (116, 272548), (122, 259144), (232, 136274), (244, 129572), (464, 68137), (488, 64786), (976, 32393), (1117, 28304), (1769, 17872), (2234, 14152), (3538, 8936), (4468, 7076)]