31317008

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{17957}}^1$

素因数の和:18074

約数の個数: 20

約数和(自身を含む): 61236780

約数和(自身を除く): 29919772

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 17957, 35914, 71828, 143656, 287312, 1957313, 3914626, 7829252, 15658504, 31317008]

約数ペア:

[(1, 31317008), (2, 15658504), (4, 7829252), (8, 3914626), (16, 1957313), (109, 287312), (218, 143656), (436, 71828), (872, 35914), (1744, 17957)]