124390028

素因数分解:

$2^2\times 7^2\times {\mathrm{634643}}^1$

素因数の和:634661

約数の個数: 18

約数和(自身を含む): 253222956

約数和(自身を除く): 128832928

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 634643, 1269286, 2538572, 4442501, 8885002, 17770004, 31097507, 62195014, 124390028]

約数ペア:

[(1, 124390028), (2, 62195014), (4, 31097507), (7, 17770004), (14, 8885002), (28, 4442501), (49, 2538572), (98, 1269286), (196, 634643)]