666172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 1312416

約数和(自身を除く): 646244

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 557, 598, 1114, 1196, 2228, 7241, 12811, 14482, 25622, 28964, 51244, 166543, 333086, 666172]

約数ペア:

[(1, 666172), (2, 333086), (4, 166543), (13, 51244), (23, 28964), (26, 25622), (46, 14482), (52, 12811), (92, 7241), (299, 2228), (557, 1196), (598, 1114)]