201181318

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1\times {\mathrm{1381}}^1$

素因数の和:1840

約数の個数: 24

約数和(自身を含む): 327766176

約数和(自身を除く): 126584858

約数列:

[1, 2, 13, 26, 169, 338, 431, 862, 1381, 2762, 5603, 11206, 17953, 35906, 72839, 145678, 233389, 466778, 595211, 1190422, 7737743, 15475486, 100590659, 201181318]

約数ペア:

[(1, 201181318), (2, 100590659), (13, 15475486), (26, 7737743), (169, 1190422), (338, 595211), (431, 466778), (862, 233389), (1381, 145678), (2762, 72839), (5603, 35906), (11206, 17953)]