128411874

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{31991}}^1$

素因数の和:32222

約数の個数: 24

約数和(自身を含む): 279482112

約数和(自身を除く): 151070238

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 31991, 63982, 95973, 191946, 287919, 575838, 7133993, 14267986, 21401979, 42803958, 64205937, 128411874]

約数ペア:

[(1, 128411874), (2, 64205937), (3, 42803958), (6, 21401979), (9, 14267986), (18, 7133993), (223, 575838), (446, 287919), (669, 191946), (1338, 95973), (2007, 63982), (4014, 31991)]