971881938

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{2179}}^1$

素因数の和:2607

約数の個数: 48

約数和(自身を含む): 2142504000

約数和(自身を除く): 1170622062

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 349, 426, 639, 698, 1047, 1278, 2094, 2179, 3141, 4358, 6282, 6537, 13074, 19611, 24779, 39222, 49558, 74337, 148674, 154709, 223011, 309418, 446022, 464127, 760471, 928254, 1392381, 1520942, 2281413, 2784762, 4562826, 6844239, 13688478, 53993441, 107986882, 161980323, 323960646, 485940969, 971881938]

約数ペア:

[(1, 971881938), (2, 485940969), (3, 323960646), (6, 161980323), (9, 107986882), (18, 53993441), (71, 13688478), (142, 6844239), (213, 4562826), (349, 2784762), (426, 2281413), (639, 1520942), (698, 1392381), (1047, 928254), (1278, 760471), (2094, 464127), (2179, 446022), (3141, 309418), (4358, 223011), (6282, 154709), (6537, 148674), (13074, 74337), (19611, 49558), (24779, 39222)]