247978128

素因数分解:

$2^4\times 3^1\times {\mathrm{5166211}}^1$

素因数の和:5166222

約数の個数: 20

約数和(自身を含む): 640610288

約数和(自身を除く): 392632160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 5166211, 10332422, 15498633, 20664844, 30997266, 41329688, 61994532, 82659376, 123989064, 247978128]

約数ペア:

[(1, 247978128), (2, 123989064), (3, 82659376), (4, 61994532), (6, 41329688), (8, 30997266), (12, 20664844), (16, 15498633), (24, 10332422), (48, 5166211)]