397198081

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{1511}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 491412096

約数和(自身を除く): 94214015

約数列:

[1, 7, 17, 47, 119, 329, 799, 1511, 2209, 5593, 10577, 15463, 25687, 37553, 71017, 179809, 262871, 497119, 1207289, 3337799, 8451023, 23364593, 56742583, 397198081]

約数ペア:

[(1, 397198081), (7, 56742583), (17, 23364593), (47, 8451023), (119, 3337799), (329, 1207289), (799, 497119), (1511, 262871), (2209, 179809), (5593, 71017), (10577, 37553), (15463, 25687)]