1991208

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 5018400

約数和(自身を除く): 3027192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 509, 652, 978, 1018, 1304, 1527, 1956, 2036, 3054, 3912, 4072, 6108, 12216, 82967, 165934, 248901, 331868, 497802, 663736, 995604, 1991208]

約数ペア:

[(1, 1991208), (2, 995604), (3, 663736), (4, 497802), (6, 331868), (8, 248901), (12, 165934), (24, 82967), (163, 12216), (326, 6108), (489, 4072), (509, 3912), (652, 3054), (978, 2036), (1018, 1956), (1304, 1527)]