87143716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:876

約数の個数: 36

約数和(自身を含む): 168417900

約数和(自身を除く): 81274184

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 401, 449, 484, 802, 898, 1604, 1796, 4411, 4939, 8822, 9878, 17644, 19756, 48521, 54329, 97042, 108658, 180049, 194084, 217316, 360098, 720196, 1980539, 3961078, 7922156, 21785929, 43571858, 87143716]

約数ペア:

[(1, 87143716), (2, 43571858), (4, 21785929), (11, 7922156), (22, 3961078), (44, 1980539), (121, 720196), (242, 360098), (401, 217316), (449, 194084), (484, 180049), (802, 108658), (898, 97042), (1604, 54329), (1796, 48521), (4411, 19756), (4939, 17644), (8822, 9878)]