90387286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 156515328

約数和(自身を除く): 66128042

約数列:

[1, 2, 11, 22, 23, 46, 73, 146, 253, 506, 803, 1606, 1679, 2447, 3358, 4894, 18469, 26917, 36938, 53834, 56281, 112562, 178631, 357262, 619091, 1238182, 1964941, 3929882, 4108513, 8217026, 45193643, 90387286]

約数ペア:

[(1, 90387286), (2, 45193643), (11, 8217026), (22, 4108513), (23, 3929882), (46, 1964941), (73, 1238182), (146, 619091), (253, 357262), (506, 178631), (803, 112562), (1606, 56281), (1679, 53834), (2447, 36938), (3358, 26917), (4894, 18469)]