40387249

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 47104000

約数和(自身を除く): 6716751

約数列:

[1, 7, 79, 199, 367, 553, 1393, 2569, 15721, 28993, 73033, 110047, 202951, 511231, 5769607, 40387249]

約数ペア:

[(1, 40387249), (7, 5769607), (79, 511231), (199, 202951), (367, 110047), (553, 73033), (1393, 28993), (2569, 15721)]