28515708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 108

約数和(自身を含む): 80600520

約数和(自身を除く): 52084812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 109, 117, 129, 156, 169, 172, 218, 234, 258, 327, 338, 387, 436, 468, 507, 516, 559, 654, 676, 774, 981, 1014, 1118, 1308, 1417, 1521, 1548, 1677, 1962, 2028, 2236, 2834, 3042, 3354, 3924, 4251, 4687, 5031, 5668, 6084, 6708, 7267, 8502, 9374, 10062, 12753, 14061, 14534, 17004, 18421, 18748, 20124, 21801, 25506, 28122, 29068, 36842, 42183, 43602, 51012, 55263, 56244, 60931, 65403, 73684, 84366, 87204, 110526, 121862, 130806, 165789, 168732, 182793, 221052, 243724, 261612, 331578, 365586, 548379, 663156, 731172, 792103, 1096758, 1584206, 2193516, 2376309, 3168412, 4752618, 7128927, 9505236, 14257854, 28515708]

約数ペア:

[(1, 28515708), (2, 14257854), (3, 9505236), (4, 7128927), (6, 4752618), (9, 3168412), (12, 2376309), (13, 2193516), (18, 1584206), (26, 1096758), (36, 792103), (39, 731172), (43, 663156), (52, 548379), (78, 365586), (86, 331578), (109, 261612), (117, 243724), (129, 221052), (156, 182793), (169, 168732), (172, 165789), (218, 130806), (234, 121862), (258, 110526), (327, 87204), (338, 84366), (387, 73684), (436, 65403), (468, 60931), (507, 56244), (516, 55263), (559, 51012), (654, 43602), (676, 42183), (774, 36842), (981, 29068), (1014, 28122), (1118, 25506), (1308, 21801), (1417, 20124), (1521, 18748), (1548, 18421), (1677, 17004), (1962, 14534), (2028, 14061), (2236, 12753), (2834, 10062), (3042, 9374), (3354, 8502), (3924, 7267), (4251, 6708), (4687, 6084), (5031, 5668)]