217023745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1\times {\mathrm{3109}}^1$

素因数の和:3744

約数の個数: 16

約数和(自身を含む): 272286720

約数和(自身を除く): 55262975

約数列:

[1, 5, 23, 115, 607, 3035, 3109, 13961, 15545, 69805, 71507, 357535, 1887163, 9435815, 43404749, 217023745]

約数ペア:

[(1, 217023745), (5, 43404749), (23, 9435815), (115, 1887163), (607, 357535), (3035, 71507), (3109, 69805), (13961, 15545)]