990055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 1327104

約数和(自身を除く): 337049

約数列:

[1, 5, 11, 47, 55, 235, 383, 517, 1915, 2585, 4213, 18001, 21065, 90005, 198011, 990055]

約数ペア:

[(1, 990055), (5, 198011), (11, 90005), (47, 21065), (55, 18001), (235, 4213), (383, 2585), (517, 1915)]