128469887

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 169075200

約数和(自身を除く): 40605313

約数列:

[1, 7, 13, 19, 67, 91, 133, 247, 469, 871, 1109, 1273, 1729, 6097, 7763, 8911, 14417, 16549, 21071, 74303, 100919, 115843, 147497, 273923, 520121, 965939, 1411757, 1917461, 6761573, 9882299, 18352841, 128469887]

約数ペア:

[(1, 128469887), (7, 18352841), (13, 9882299), (19, 6761573), (67, 1917461), (91, 1411757), (133, 965939), (247, 520121), (469, 273923), (871, 147497), (1109, 115843), (1273, 100919), (1729, 74303), (6097, 21071), (7763, 16549), (8911, 14417)]