318860017

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 406241280

約数和(自身を除く): 87381263

約数列:

[1, 7, 23, 29, 31, 161, 203, 217, 667, 713, 899, 2203, 4669, 4991, 6293, 15421, 20677, 50669, 63887, 68293, 144739, 354683, 447209, 478051, 1469401, 1570739, 1980497, 10285807, 10995173, 13863479, 45551431, 318860017]

約数ペア:

[(1, 318860017), (7, 45551431), (23, 13863479), (29, 10995173), (31, 10285807), (161, 1980497), (203, 1570739), (217, 1469401), (667, 478051), (713, 447209), (899, 354683), (2203, 144739), (4669, 68293), (4991, 63887), (6293, 50669), (15421, 20677)]