257691838

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{1181}}^1\times {\mathrm{1381}}^1$

素因数の和:2643

約数の個数: 16

約数和(自身を含む): 392045760

約数和(自身を除く): 134353922

約数列:

[1, 2, 79, 158, 1181, 1381, 2362, 2762, 93299, 109099, 186598, 218198, 1630961, 3261922, 128845919, 257691838]

約数ペア:

[(1, 257691838), (2, 128845919), (79, 3261922), (158, 1630961), (1181, 218198), (1381, 186598), (2362, 109099), (2762, 93299)]