400338

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:998

約数の個数: 24

約数和(自身を含む): 906048

約数和(自身を除く): 505710

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 967, 1934, 2901, 5802, 8703, 17406, 22241, 44482, 66723, 133446, 200169, 400338]

約数ペア:

[(1, 400338), (2, 200169), (3, 133446), (6, 66723), (9, 44482), (18, 22241), (23, 17406), (46, 8703), (69, 5802), (138, 2901), (207, 1934), (414, 967)]