28840168

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 36823832

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 434, 449, 518, 868, 898, 1036, 1147, 1736, 1796, 2072, 2294, 3143, 3592, 4588, 6286, 8029, 9176, 12572, 13919, 16058, 16613, 25144, 27838, 32116, 33226, 55676, 64232, 66452, 97433, 111352, 116291, 132904, 194866, 232582, 389732, 465164, 515003, 779464, 930328, 1030006, 2060012, 3605021, 4120024, 7210042, 14420084, 28840168]

約数ペア:

[(1, 28840168), (2, 14420084), (4, 7210042), (7, 4120024), (8, 3605021), (14, 2060012), (28, 1030006), (31, 930328), (37, 779464), (56, 515003), (62, 465164), (74, 389732), (124, 232582), (148, 194866), (217, 132904), (248, 116291), (259, 111352), (296, 97433), (434, 66452), (449, 64232), (518, 55676), (868, 33226), (898, 32116), (1036, 27838), (1147, 25144), (1736, 16613), (1796, 16058), (2072, 13919), (2294, 12572), (3143, 9176), (3592, 8029), (4588, 6286)]