81384772

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{19249}}^1$

素因数の和:19411

約数の個数: 24

約数和(自身を含む): 163856000

約数和(自身を除く): 82471228

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 19249, 38498, 76996, 134743, 269486, 538972, 2906599, 5813198, 11626396, 20346193, 40692386, 81384772]

約数ペア:

[(1, 81384772), (2, 40692386), (4, 20346193), (7, 11626396), (14, 5813198), (28, 2906599), (151, 538972), (302, 269486), (604, 134743), (1057, 76996), (2114, 38498), (4228, 19249)]