408078748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18661}}^1$

素因数の和:18754

約数の個数: 48

約数和(自身を含む): 902942208

約数和(自身を除く): 494863460

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 18661, 21868, 37322, 74644, 130627, 205271, 261254, 410542, 522508, 821084, 1324931, 1436897, 2649862, 2873794, 5299724, 5747588, 9274517, 14574241, 18549034, 29148482, 37098068, 58296964, 102019687, 204039374, 408078748]

約数ペア:

[(1, 408078748), (2, 204039374), (4, 102019687), (7, 58296964), (11, 37098068), (14, 29148482), (22, 18549034), (28, 14574241), (44, 9274517), (71, 5747588), (77, 5299724), (142, 2873794), (154, 2649862), (284, 1436897), (308, 1324931), (497, 821084), (781, 522508), (994, 410542), (1562, 261254), (1988, 205271), (3124, 130627), (5467, 74644), (10934, 37322), (18661, 21868)]