31504088

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 74304000

約数和(自身を除く): 42799912

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 199, 257, 308, 398, 514, 616, 796, 1028, 1393, 1592, 1799, 2056, 2189, 2786, 2827, 3598, 4378, 5572, 5654, 7196, 8756, 11144, 11308, 14392, 15323, 17512, 19789, 22616, 30646, 39578, 51143, 61292, 79156, 102286, 122584, 158312, 204572, 358001, 409144, 562573, 716002, 1125146, 1432004, 2250292, 2864008, 3938011, 4500584, 7876022, 15752044, 31504088]

約数ペア:

[(1, 31504088), (2, 15752044), (4, 7876022), (7, 4500584), (8, 3938011), (11, 2864008), (14, 2250292), (22, 1432004), (28, 1125146), (44, 716002), (56, 562573), (77, 409144), (88, 358001), (154, 204572), (199, 158312), (257, 122584), (308, 102286), (398, 79156), (514, 61292), (616, 51143), (796, 39578), (1028, 30646), (1393, 22616), (1592, 19789), (1799, 17512), (2056, 15323), (2189, 14392), (2786, 11308), (2827, 11144), (3598, 8756), (4378, 7196), (5572, 5654)]