28861686

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:826

約数の個数: 72

約数和(自身を含む): 74532744

約数和(自身を除く): 45671058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 761, 774, 882, 903, 1522, 1806, 2107, 2283, 2709, 4214, 4566, 5327, 5418, 6321, 6849, 10654, 12642, 13698, 15981, 18963, 31962, 32723, 37289, 37926, 47943, 65446, 74578, 95886, 98169, 111867, 196338, 223734, 229061, 294507, 335601, 458122, 589014, 671202, 687183, 1374366, 1603427, 2061549, 3206854, 4123098, 4810281, 9620562, 14430843, 28861686]

約数ペア:

[(1, 28861686), (2, 14430843), (3, 9620562), (6, 4810281), (7, 4123098), (9, 3206854), (14, 2061549), (18, 1603427), (21, 1374366), (42, 687183), (43, 671202), (49, 589014), (63, 458122), (86, 335601), (98, 294507), (126, 229061), (129, 223734), (147, 196338), (258, 111867), (294, 98169), (301, 95886), (387, 74578), (441, 65446), (602, 47943), (761, 37926), (774, 37289), (882, 32723), (903, 31962), (1522, 18963), (1806, 15981), (2107, 13698), (2283, 12642), (2709, 10654), (4214, 6849), (4566, 6321), (5327, 5418)]