17270990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 34128864

約数和(自身を除く): 16857874

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 797, 985, 1594, 1970, 2167, 3985, 4334, 7970, 8767, 10835, 17534, 21670, 43835, 87670, 157009, 314018, 785045, 1570090, 1727099, 3454198, 8635495, 17270990]

約数ペア:

[(1, 17270990), (2, 8635495), (5, 3454198), (10, 1727099), (11, 1570090), (22, 785045), (55, 314018), (110, 157009), (197, 87670), (394, 43835), (797, 21670), (985, 17534), (1594, 10835), (1970, 8767), (2167, 7970), (3985, 4334)]