217878866

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 347124528

約数和(自身を除く): 129245662

約数列:

[1, 2, 37, 53, 73, 74, 106, 146, 761, 1522, 1961, 2701, 3869, 3922, 5402, 7738, 28157, 40333, 55553, 56314, 80666, 111106, 143153, 286306, 1492321, 2055461, 2944309, 2984642, 4110922, 5888618, 108939433, 217878866]

約数ペア:

[(1, 217878866), (2, 108939433), (37, 5888618), (53, 4110922), (73, 2984642), (74, 2944309), (106, 2055461), (146, 1492321), (761, 286306), (1522, 143153), (1961, 111106), (2701, 80666), (3869, 56314), (3922, 55553), (5402, 40333), (7738, 28157)]