213872542

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{479}}^1\times {\mathrm{1321}}^1$

素因数の和:1828

約数の個数: 24

約数和(自身を含む): 348373440

約数和(自身を除く): 134500898

約数列:

[1, 2, 13, 26, 169, 338, 479, 958, 1321, 2642, 6227, 12454, 17173, 34346, 80951, 161902, 223249, 446498, 632759, 1265518, 8225867, 16451734, 106936271, 213872542]

約数ペア:

[(1, 213872542), (2, 106936271), (13, 16451734), (26, 8225867), (169, 1265518), (338, 632759), (479, 446498), (958, 223249), (1321, 161902), (2642, 80951), (6227, 34346), (12454, 17173)]