90904165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71861}}^1$

素因数の和:71900

約数の個数: 16

約数和(自身を含む): 124177536

約数和(自身を除く): 33273371

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 71861, 359305, 790471, 1652803, 3952355, 8264015, 18180833, 90904165]

約数ペア:

[(1, 90904165), (5, 18180833), (11, 8264015), (23, 3952355), (55, 1652803), (115, 790471), (253, 359305), (1265, 71861)]