31191504

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{4139}}^1$

素因数の和:4307

約数の個数: 40

約数和(自身を含む): 81110880

約数和(自身を除く): 49919376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 4139, 7536, 8278, 12417, 16556, 24834, 33112, 49668, 66224, 99336, 198672, 649823, 1299646, 1949469, 2599292, 3898938, 5198584, 7797876, 10397168, 15595752, 31191504]

約数ペア:

[(1, 31191504), (2, 15595752), (3, 10397168), (4, 7797876), (6, 5198584), (8, 3898938), (12, 2599292), (16, 1949469), (24, 1299646), (48, 649823), (157, 198672), (314, 99336), (471, 66224), (628, 49668), (942, 33112), (1256, 24834), (1884, 16556), (2512, 12417), (3768, 8278), (4139, 7536)]