814916809

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 981319680

約数和(自身を除く): 166402871

約数列:

[1, 7, 31, 109, 131, 217, 263, 763, 917, 1841, 3379, 4061, 8153, 14279, 23653, 28427, 28667, 34453, 57071, 99953, 200669, 241171, 442649, 888677, 1068043, 3098543, 3755377, 6220739, 7476301, 26287639, 116416687, 814916809]

約数ペア:

[(1, 814916809), (7, 116416687), (31, 26287639), (109, 7476301), (131, 6220739), (217, 3755377), (263, 3098543), (763, 1068043), (917, 888677), (1841, 442649), (3379, 241171), (4061, 200669), (8153, 99953), (14279, 57071), (23653, 34453), (28427, 28667)]