217448667070

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{16869563}}^1$

素因数の和:16870859

約数の個数: 16

約数和(自身を含む): 391711276080

約数和(自身を除く): 174262609010

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 16869563, 33739126, 84347815, 168695630, 21744866707, 43489733414, 108724333535, 217448667070]

約数ペア:

[(1, 217448667070), (2, 108724333535), (5, 43489733414), (10, 21744866707), (1289, 168695630), (2578, 84347815), (6445, 33739126), (12890, 16869563)]