128991968

素因数分解:

$2^5\times 7^1\times {\mathrm{575857}}^1$

素因数の和:575874

約数の個数: 24

約数和(自身を含む): 290232432

約数和(自身を除く): 161240464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 575857, 1151714, 2303428, 4030999, 4606856, 8061998, 9213712, 16123996, 18427424, 32247992, 64495984, 128991968]

約数ペア:

[(1, 128991968), (2, 64495984), (4, 32247992), (7, 18427424), (8, 16123996), (14, 9213712), (16, 8061998), (28, 4606856), (32, 4030999), (56, 2303428), (112, 1151714), (224, 575857)]