121989972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{781987}}^1$

素因数の和:782007

約数の個数: 24

約数和(自身を含む): 306539296

約数和(自身を除く): 184549324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 781987, 1563974, 2345961, 3127948, 4691922, 9383844, 10165831, 20331662, 30497493, 40663324, 60994986, 121989972]

約数ペア:

[(1, 121989972), (2, 60994986), (3, 40663324), (4, 30497493), (6, 20331662), (12, 10165831), (13, 9383844), (26, 4691922), (39, 3127948), (52, 2345961), (78, 1563974), (156, 781987)]