31423294

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{11279}}^1$

素因数の和:11487

約数の個数: 16

約数和(自身を含む): 54144000

約数和(自身を除く): 22720706

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 11279, 22558, 78953, 157906, 2244521, 4489042, 15711647, 31423294]

約数ペア:

[(1, 31423294), (2, 15711647), (7, 4489042), (14, 2244521), (199, 157906), (398, 78953), (1393, 22558), (2786, 11279)]