990147355

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{183191}}^1$

素因数の和:183266

約数の個数: 16

約数和(自身を含む): 1266223104

約数和(自身を除く): 276075749

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 183191, 915955, 4213393, 8609977, 21066965, 43049885, 198029471, 990147355]

約数ペア:

[(1, 990147355), (5, 198029471), (23, 43049885), (47, 21066965), (115, 8609977), (235, 4213393), (1081, 915955), (5405, 183191)]