28020168

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{3931}}^1$

素因数の和:3960

約数の個数: 80

約数和(自身を含む): 85638960

約数和(自身を除く): 57618792

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 264, 297, 324, 396, 594, 648, 792, 891, 1188, 1782, 2376, 3564, 3931, 7128, 7862, 11793, 15724, 23586, 31448, 35379, 43241, 47172, 70758, 86482, 94344, 106137, 129723, 141516, 172964, 212274, 259446, 283032, 318411, 345928, 389169, 424548, 518892, 636822, 778338, 849096, 1037784, 1167507, 1273644, 1556676, 2335014, 2547288, 3113352, 3502521, 4670028, 7005042, 9340056, 14010084, 28020168]

約数ペア:

[(1, 28020168), (2, 14010084), (3, 9340056), (4, 7005042), (6, 4670028), (8, 3502521), (9, 3113352), (11, 2547288), (12, 2335014), (18, 1556676), (22, 1273644), (24, 1167507), (27, 1037784), (33, 849096), (36, 778338), (44, 636822), (54, 518892), (66, 424548), (72, 389169), (81, 345928), (88, 318411), (99, 283032), (108, 259446), (132, 212274), (162, 172964), (198, 141516), (216, 129723), (264, 106137), (297, 94344), (324, 86482), (396, 70758), (594, 47172), (648, 43241), (792, 35379), (891, 31448), (1188, 23586), (1782, 15724), (2376, 11793), (3564, 7862), (3931, 7128)]