31638970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6689}}^1$

素因数の和:6750

約数の個数: 32

約数和(自身を含む): 63581760

約数和(自身を除く): 31942790

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 6689, 13378, 33445, 66890, 73579, 147158, 287627, 367895, 575254, 735790, 1438135, 2876270, 3163897, 6327794, 15819485, 31638970]

約数ペア:

[(1, 31638970), (2, 15819485), (5, 6327794), (10, 3163897), (11, 2876270), (22, 1438135), (43, 735790), (55, 575254), (86, 367895), (110, 287627), (215, 147158), (430, 73579), (473, 66890), (946, 33445), (2365, 13378), (4730, 6689)]