390438

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 24

約数和(自身を含む): 858000

約数和(自身を除く): 467562

約数列:

[1, 2, 3, 6, 9, 18, 109, 199, 218, 327, 398, 597, 654, 981, 1194, 1791, 1962, 3582, 21691, 43382, 65073, 130146, 195219, 390438]

約数ペア:

[(1, 390438), (2, 195219), (3, 130146), (6, 65073), (9, 43382), (18, 21691), (109, 3582), (199, 1962), (218, 1791), (327, 1194), (398, 981), (597, 654)]