31023839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 10005793

約数列:

[1, 7, 11, 31, 41, 77, 217, 287, 317, 341, 451, 1271, 2219, 2387, 3157, 3487, 8897, 9827, 12997, 13981, 24409, 68789, 90979, 97867, 108097, 142967, 402907, 756679, 1000769, 2820349, 4431977, 31023839]

約数ペア:

[(1, 31023839), (7, 4431977), (11, 2820349), (31, 1000769), (41, 756679), (77, 402907), (217, 142967), (287, 108097), (317, 97867), (341, 90979), (451, 68789), (1271, 24409), (2219, 13981), (2387, 12997), (3157, 9827), (3487, 8897)]