28456884

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 76108032

約数和(自身を除く): 47651148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 516, 558, 593, 774, 1116, 1186, 1333, 1548, 1779, 2372, 2666, 3558, 3999, 5332, 5337, 7116, 7998, 10674, 11997, 15996, 18383, 21348, 23994, 25499, 36766, 47988, 50998, 55149, 73532, 76497, 101996, 110298, 152994, 165447, 220596, 229491, 305988, 330894, 458982, 661788, 790469, 917964, 1580938, 2371407, 3161876, 4742814, 7114221, 9485628, 14228442, 28456884]

約数ペア:

[(1, 28456884), (2, 14228442), (3, 9485628), (4, 7114221), (6, 4742814), (9, 3161876), (12, 2371407), (18, 1580938), (31, 917964), (36, 790469), (43, 661788), (62, 458982), (86, 330894), (93, 305988), (124, 229491), (129, 220596), (172, 165447), (186, 152994), (258, 110298), (279, 101996), (372, 76497), (387, 73532), (516, 55149), (558, 50998), (593, 47988), (774, 36766), (1116, 25499), (1186, 23994), (1333, 21348), (1548, 18383), (1779, 15996), (2372, 11997), (2666, 10674), (3558, 7998), (3999, 7116), (5332, 5337)]