31121168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1131

約数の個数: 40

約数和(自身を含む): 65417688

約数和(自身を除く): 34296520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 953, 1256, 1906, 2041, 2512, 3812, 4082, 7624, 8164, 12389, 15248, 16328, 24778, 32656, 49556, 99112, 149621, 198224, 299242, 598484, 1196968, 1945073, 2393936, 3890146, 7780292, 15560584, 31121168]

約数ペア:

[(1, 31121168), (2, 15560584), (4, 7780292), (8, 3890146), (13, 2393936), (16, 1945073), (26, 1196968), (52, 598484), (104, 299242), (157, 198224), (208, 149621), (314, 99112), (628, 49556), (953, 32656), (1256, 24778), (1906, 16328), (2041, 15248), (2512, 12389), (3812, 8164), (4082, 7624)]