256233992

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{22993}}^1$

素因数の和:23205

約数の個数: 32

約数和(自身を含む): 551856000

約数和(自身を除く): 295622008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 22993, 45986, 91972, 160951, 183944, 321902, 643804, 1287608, 4575607, 9151214, 18302428, 32029249, 36604856, 64058498, 128116996, 256233992]

約数ペア:

[(1, 256233992), (2, 128116996), (4, 64058498), (7, 36604856), (8, 32029249), (14, 18302428), (28, 9151214), (56, 4575607), (199, 1287608), (398, 643804), (796, 321902), (1393, 183944), (1592, 160951), (2786, 91972), (5572, 45986), (11144, 22993)]