420152918

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1\times {\mathrm{1367}}^1$

素因数の和:2251

約数の個数: 16

約数和(自身を含む): 634314240

約数和(自身を除く): 214161322

約数列:

[1, 2, 239, 478, 643, 1286, 1367, 2734, 153677, 307354, 326713, 653426, 878981, 1757962, 210076459, 420152918]

約数ペア:

[(1, 420152918), (2, 210076459), (239, 1757962), (478, 878981), (643, 653426), (1286, 326713), (1367, 307354), (2734, 153677)]