28020307

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{30097}}^1$

素因数の和:30130

約数の個数: 12

約数和(自身を含む): 34311720

約数和(自身を除く): 6291413

約数列:

[1, 7, 19, 49, 133, 931, 30097, 210679, 571843, 1474753, 4002901, 28020307]

約数ペア:

[(1, 28020307), (7, 4002901), (19, 1474753), (49, 571843), (133, 210679), (931, 30097)]