12553915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 17510400

約数和(自身を除く): 4956485

約数列:

[1, 5, 11, 31, 37, 55, 155, 185, 199, 341, 407, 995, 1147, 1705, 2035, 2189, 5735, 6169, 7363, 10945, 12617, 30845, 36815, 63085, 67859, 80993, 228253, 339295, 404965, 1141265, 2510783, 12553915]

約数ペア:

[(1, 12553915), (5, 2510783), (11, 1141265), (31, 404965), (37, 339295), (55, 228253), (155, 80993), (185, 67859), (199, 63085), (341, 36815), (407, 30845), (995, 12617), (1147, 10945), (1705, 7363), (2035, 6169), (2189, 5735)]