218979425

素因数分解:

$5^2\times 7^1\times {\mathrm{599}}^1\times {\mathrm{2089}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 310992000

約数和(自身を除く): 92012575

約数列:

[1, 5, 7, 25, 35, 175, 599, 2089, 2995, 4193, 10445, 14623, 14975, 20965, 52225, 73115, 104825, 365575, 1251311, 6256555, 8759177, 31282775, 43795885, 218979425]

約数ペア:

[(1, 218979425), (5, 43795885), (7, 31282775), (25, 8759177), (35, 6256555), (175, 1251311), (599, 365575), (2089, 104825), (2995, 73115), (4193, 52225), (10445, 20965), (14623, 14975)]