71315321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 93139200

約数和(自身を除く): 21823879

約数列:

[1, 7, 11, 29, 77, 109, 203, 293, 319, 763, 1199, 2051, 2233, 3161, 3223, 8393, 8497, 22127, 22561, 31937, 34771, 59479, 93467, 223559, 243397, 351307, 654269, 926173, 2459149, 6483211, 10187903, 71315321]

約数ペア:

[(1, 71315321), (7, 10187903), (11, 6483211), (29, 2459149), (77, 926173), (109, 654269), (203, 351307), (293, 243397), (319, 223559), (763, 93467), (1199, 59479), (2051, 34771), (2233, 31937), (3161, 22561), (3223, 22127), (8393, 8497)]