31159856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21401}}^1$

素因数の和:21429

約数の個数: 40

約数和(自身を含む): 74307744

約数和(自身を除く): 43147888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21401, 42802, 85604, 149807, 171208, 278213, 299614, 342416, 556426, 599228, 1112852, 1198456, 1947491, 2225704, 2396912, 3894982, 4451408, 7789964, 15579928, 31159856]

約数ペア:

[(1, 31159856), (2, 15579928), (4, 7789964), (7, 4451408), (8, 3894982), (13, 2396912), (14, 2225704), (16, 1947491), (26, 1198456), (28, 1112852), (52, 599228), (56, 556426), (91, 342416), (104, 299614), (112, 278213), (182, 171208), (208, 149807), (364, 85604), (728, 42802), (1456, 21401)]