65221255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 88128000

約数和(自身を除く): 22906745

約数列:

[1, 5, 11, 55, 59, 101, 199, 295, 505, 649, 995, 1111, 2189, 3245, 5555, 5959, 10945, 11741, 20099, 29795, 58705, 65549, 100495, 129151, 221089, 327745, 645755, 1105445, 1185841, 5929205, 13044251, 65221255]

約数ペア:

[(1, 65221255), (5, 13044251), (11, 5929205), (55, 1185841), (59, 1105445), (101, 645755), (199, 327745), (295, 221089), (505, 129151), (649, 100495), (995, 65549), (1111, 58705), (2189, 29795), (3245, 20099), (5555, 11741), (5959, 10945)]