31504208

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1659

約数の個数: 40

約数和(自身を含む): 64653600

約数和(自身を除く): 33149392

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 1579, 2494, 3158, 4988, 6316, 9976, 12632, 19952, 25264, 45791, 67897, 91582, 135794, 183164, 271588, 366328, 543176, 732656, 1086352, 1969013, 3938026, 7876052, 15752104, 31504208]

約数ペア:

[(1, 31504208), (2, 15752104), (4, 7876052), (8, 3938026), (16, 1969013), (29, 1086352), (43, 732656), (58, 543176), (86, 366328), (116, 271588), (172, 183164), (232, 135794), (344, 91582), (464, 67897), (688, 45791), (1247, 25264), (1579, 19952), (2494, 12632), (3158, 9976), (4988, 6316)]