133021456

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{4159}}^1$

素因数の和:6166

約数の個数: 20

約数和(自身を含む): 257920000

約数和(自身を除く): 124898544

約数列:

[1, 2, 4, 8, 16, 1999, 3998, 4159, 7996, 8318, 15992, 16636, 31984, 33272, 66544, 8313841, 16627682, 33255364, 66510728, 133021456]

約数ペア:

[(1, 133021456), (2, 66510728), (4, 33255364), (8, 16627682), (16, 8313841), (1999, 66544), (3998, 33272), (4159, 31984), (7996, 16636), (8318, 15992)]