664997431

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{16937}}^1$

素因数の和:17094

約数の個数: 16

約数和(自身を含む): 780503040

約数和(自身を除く): 115505609

約数列:

[1, 7, 71, 79, 497, 553, 5609, 16937, 39263, 118559, 1202527, 1338023, 8417689, 9366161, 94999633, 664997431]

約数ペア:

[(1, 664997431), (7, 94999633), (71, 9366161), (79, 8417689), (497, 1338023), (553, 1202527), (5609, 118559), (16937, 39263)]