201640456144

素因数分解:

$2^4\times {\mathrm{1289}}^1\times {\mathrm{9776981}}^1$

素因数の和:9778278

約数の個数: 20

約数和(自身を含む): 390981510180

約数和(自身を除く): 189341054036

約数列:

[1, 2, 4, 8, 16, 1289, 2578, 5156, 10312, 20624, 9776981, 19553962, 39107924, 78215848, 156431696, 12602528509, 25205057018, 50410114036, 100820228072, 201640456144]

約数ペア:

[(1, 201640456144), (2, 100820228072), (4, 50410114036), (8, 25205057018), (16, 12602528509), (1289, 156431696), (2578, 78215848), (5156, 39107924), (10312, 19553962), (20624, 9776981)]