211671972

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{136739}}^1$

素因数の和:136792

約数の個数: 36

約数和(自身を含む): 547506960

約数和(自身を除く): 335834988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 136739, 273478, 410217, 546956, 820434, 1230651, 1640868, 2461302, 4922604, 5879777, 11759554, 17639331, 23519108, 35278662, 52917993, 70557324, 105835986, 211671972]

約数ペア:

[(1, 211671972), (2, 105835986), (3, 70557324), (4, 52917993), (6, 35278662), (9, 23519108), (12, 17639331), (18, 11759554), (36, 5879777), (43, 4922604), (86, 2461302), (129, 1640868), (172, 1230651), (258, 820434), (387, 546956), (516, 410217), (774, 273478), (1548, 136739)]