1405290439

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 1710720000

約数和(自身を除く): 305429561

約数列:

[1, 7, 29, 43, 199, 203, 301, 809, 1247, 1393, 5663, 5771, 8557, 8729, 23461, 34787, 40397, 59899, 160991, 164227, 243509, 248153, 1008823, 1126937, 1737071, 4668739, 6922613, 7061761, 32681173, 48458291, 200755777, 1405290439]

約数ペア:

[(1, 1405290439), (7, 200755777), (29, 48458291), (43, 32681173), (199, 7061761), (203, 6922613), (301, 4668739), (809, 1737071), (1247, 1126937), (1393, 1008823), (5663, 248153), (5771, 243509), (8557, 164227), (8729, 160991), (23461, 59899), (34787, 40397)]