221039258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 372971520

約数和(自身を除く): 151932262

約数列:

[1, 2, 11, 22, 37, 74, 383, 407, 709, 766, 814, 1418, 4213, 7799, 8426, 14171, 15598, 26233, 28342, 52466, 155881, 271547, 288563, 311762, 543094, 577126, 2987017, 5974034, 10047239, 20094478, 110519629, 221039258]

約数ペア:

[(1, 221039258), (2, 110519629), (11, 20094478), (22, 10047239), (37, 5974034), (74, 2987017), (383, 577126), (407, 543094), (709, 311762), (766, 288563), (814, 271547), (1418, 155881), (4213, 52466), (7799, 28342), (8426, 26233), (14171, 15598)]