398538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{3163}}^1$

素因数の和:3178

約数の個数: 24

約数和(自身を含む): 987168

約数和(自身を除く): 588630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 3163, 6326, 9489, 18978, 22141, 28467, 44282, 56934, 66423, 132846, 199269, 398538]

約数ペア:

[(1, 398538), (2, 199269), (3, 132846), (6, 66423), (7, 56934), (9, 44282), (14, 28467), (18, 22141), (21, 18978), (42, 9489), (63, 6326), (126, 3163)]