217433308

素因数分解:

$2^2\times {\mathrm{257}}^2\times {\mathrm{823}}^1$

素因数の和:1341

約数の個数: 18

約数和(自身を含む): 382458776

約数和(自身を除く): 165025468

約数列:

[1, 2, 4, 257, 514, 823, 1028, 1646, 3292, 66049, 132098, 211511, 264196, 423022, 846044, 54358327, 108716654, 217433308]

約数ペア:

[(1, 217433308), (2, 108716654), (4, 54358327), (257, 846044), (514, 423022), (823, 264196), (1028, 211511), (1646, 132098), (3292, 66049)]