28385335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 40849920

約数和(自身を除く): 12464585

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 1045, 1181, 1265, 2185, 4807, 5905, 12991, 22439, 24035, 27163, 64955, 112195, 135815, 246829, 298793, 516097, 1234145, 1493965, 2580485, 5677067, 28385335]

約数ペア:

[(1, 28385335), (5, 5677067), (11, 2580485), (19, 1493965), (23, 1234145), (55, 516097), (95, 298793), (115, 246829), (209, 135815), (253, 112195), (437, 64955), (1045, 27163), (1181, 24035), (1265, 22439), (2185, 12991), (4807, 5905)]