28490077

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16087}}^1$

素因数の和:16128

約数の個数: 16

約数和(自身を含む): 37066752

約数和(自身を除く): 8576675

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 16087, 112609, 176957, 370001, 1238699, 2590007, 4070011, 28490077]

約数ペア:

[(1, 28490077), (7, 4070011), (11, 2590007), (23, 1238699), (77, 370001), (161, 176957), (253, 112609), (1771, 16087)]