397744886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1269

約数の個数: 64

約数和(自身を含む): 793981440

約数和(自身を除く): 396236554

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 139, 154, 187, 238, 278, 374, 973, 1093, 1309, 1529, 1946, 2186, 2363, 2618, 3058, 4726, 7651, 10703, 12023, 15302, 16541, 18581, 21406, 24046, 25993, 33082, 37162, 51986, 84161, 130067, 151927, 168322, 181951, 204391, 260134, 303854, 363902, 408782, 1063489, 1430737, 1671197, 2126978, 2582759, 2861474, 3342394, 5165518, 11698379, 18079313, 23396758, 28410349, 36158626, 56820698, 198872443, 397744886]

約数ペア:

[(1, 397744886), (2, 198872443), (7, 56820698), (11, 36158626), (14, 28410349), (17, 23396758), (22, 18079313), (34, 11698379), (77, 5165518), (119, 3342394), (139, 2861474), (154, 2582759), (187, 2126978), (238, 1671197), (278, 1430737), (374, 1063489), (973, 408782), (1093, 363902), (1309, 303854), (1529, 260134), (1946, 204391), (2186, 181951), (2363, 168322), (2618, 151927), (3058, 130067), (4726, 84161), (7651, 51986), (10703, 37162), (12023, 33082), (15302, 25993), (16541, 24046), (18581, 21406)]