28910172

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 76608000

約数和(自身を除く): 47697828

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 37, 38, 46, 57, 69, 74, 76, 92, 111, 114, 138, 148, 149, 222, 228, 276, 298, 437, 444, 447, 596, 703, 851, 874, 894, 1311, 1406, 1702, 1748, 1788, 2109, 2553, 2622, 2812, 2831, 3404, 3427, 4218, 5106, 5244, 5513, 5662, 6854, 8436, 8493, 10212, 10281, 11026, 11324, 13708, 16169, 16539, 16986, 20562, 22052, 32338, 33078, 33972, 41124, 48507, 64676, 65113, 66156, 97014, 104747, 126799, 130226, 194028, 195339, 209494, 253598, 260452, 314241, 380397, 390678, 418988, 507196, 628482, 760794, 781356, 1256964, 1521588, 2409181, 4818362, 7227543, 9636724, 14455086, 28910172]

約数ペア:

[(1, 28910172), (2, 14455086), (3, 9636724), (4, 7227543), (6, 4818362), (12, 2409181), (19, 1521588), (23, 1256964), (37, 781356), (38, 760794), (46, 628482), (57, 507196), (69, 418988), (74, 390678), (76, 380397), (92, 314241), (111, 260452), (114, 253598), (138, 209494), (148, 195339), (149, 194028), (222, 130226), (228, 126799), (276, 104747), (298, 97014), (437, 66156), (444, 65113), (447, 64676), (596, 48507), (703, 41124), (851, 33972), (874, 33078), (894, 32338), (1311, 22052), (1406, 20562), (1702, 16986), (1748, 16539), (1788, 16169), (2109, 13708), (2553, 11324), (2622, 11026), (2812, 10281), (2831, 10212), (3404, 8493), (3427, 8436), (4218, 6854), (5106, 5662), (5244, 5513)]