51813223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 67092480

約数和(自身を除く): 15279257

約数列:

[1, 7, 11, 47, 77, 103, 139, 329, 517, 721, 973, 1133, 1529, 3619, 4841, 6533, 7931, 10703, 14317, 33887, 45731, 53251, 71863, 100219, 157487, 372757, 503041, 672899, 1102409, 4710293, 7401889, 51813223]

約数ペア:

[(1, 51813223), (7, 7401889), (11, 4710293), (47, 1102409), (77, 672899), (103, 503041), (139, 372757), (329, 157487), (517, 100219), (721, 71863), (973, 53251), (1133, 45731), (1529, 33887), (3619, 14317), (4841, 10703), (6533, 7931)]