211301299

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 256089600

約数和(自身を除く): 44788301

約数列:

[1, 11, 19, 23, 113, 209, 253, 389, 437, 1243, 2147, 2599, 4279, 4807, 7391, 8947, 23617, 28589, 43957, 49381, 81301, 98417, 169993, 483527, 543191, 835183, 1011011, 1869923, 9187013, 11121121, 19209209, 211301299]

約数ペア:

[(1, 211301299), (11, 19209209), (19, 11121121), (23, 9187013), (113, 1869923), (209, 1011011), (253, 835183), (389, 543191), (437, 483527), (1243, 169993), (2147, 98417), (2599, 81301), (4279, 49381), (4807, 43957), (7391, 28589), (8947, 23617)]