12991044

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 34856640

約数和(自身を除く): 21865596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 121, 132, 138, 242, 253, 276, 363, 389, 484, 506, 726, 759, 778, 1012, 1167, 1452, 1518, 1556, 2334, 2783, 3036, 4279, 4668, 5566, 8349, 8558, 8947, 11132, 12837, 16698, 17116, 17894, 25674, 26841, 33396, 35788, 47069, 51348, 53682, 94138, 98417, 107364, 141207, 188276, 196834, 282414, 295251, 393668, 564828, 590502, 1082587, 1181004, 2165174, 3247761, 4330348, 6495522, 12991044]

約数ペア:

[(1, 12991044), (2, 6495522), (3, 4330348), (4, 3247761), (6, 2165174), (11, 1181004), (12, 1082587), (22, 590502), (23, 564828), (33, 393668), (44, 295251), (46, 282414), (66, 196834), (69, 188276), (92, 141207), (121, 107364), (132, 98417), (138, 94138), (242, 53682), (253, 51348), (276, 47069), (363, 35788), (389, 33396), (484, 26841), (506, 25674), (726, 17894), (759, 17116), (778, 16698), (1012, 12837), (1167, 11132), (1452, 8947), (1518, 8558), (1556, 8349), (2334, 5566), (2783, 4668), (3036, 4279)]