219943871

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 267021312

約数和(自身を除く): 47077441

約数列:

[1, 7, 23, 71, 161, 271, 497, 1633, 1897, 5041, 6233, 11431, 19241, 35287, 43631, 115943, 134687, 442543, 811601, 1366111, 3097801, 9562777, 31420553, 219943871]

約数ペア:

[(1, 219943871), (7, 31420553), (23, 9562777), (71, 3097801), (161, 1366111), (271, 811601), (497, 442543), (1633, 134687), (1897, 115943), (5041, 43631), (6233, 35287), (11431, 19241)]