28306278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1610

約数の個数: 96

約数和(自身を含む): 82397952

約数和(自身を除く): 54091674

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 198, 231, 234, 273, 286, 429, 462, 546, 693, 819, 858, 1001, 1287, 1386, 1571, 1638, 2002, 2574, 3003, 3142, 4713, 6006, 9009, 9426, 10997, 14139, 17281, 18018, 20423, 21994, 28278, 32991, 34562, 40846, 51843, 61269, 65982, 98973, 103686, 120967, 122538, 142961, 155529, 183807, 197946, 224653, 241934, 285922, 311058, 362901, 367614, 428883, 449306, 673959, 725802, 857766, 1088703, 1286649, 1347918, 1572571, 2021877, 2177406, 2573298, 3145142, 4043754, 4717713, 9435426, 14153139, 28306278]

約数ペア:

[(1, 28306278), (2, 14153139), (3, 9435426), (6, 4717713), (7, 4043754), (9, 3145142), (11, 2573298), (13, 2177406), (14, 2021877), (18, 1572571), (21, 1347918), (22, 1286649), (26, 1088703), (33, 857766), (39, 725802), (42, 673959), (63, 449306), (66, 428883), (77, 367614), (78, 362901), (91, 311058), (99, 285922), (117, 241934), (126, 224653), (143, 197946), (154, 183807), (182, 155529), (198, 142961), (231, 122538), (234, 120967), (273, 103686), (286, 98973), (429, 65982), (462, 61269), (546, 51843), (693, 40846), (819, 34562), (858, 32991), (1001, 28278), (1287, 21994), (1386, 20423), (1571, 18018), (1638, 17281), (2002, 14139), (2574, 10997), (3003, 9426), (3142, 9009), (4713, 6006)]