390183913

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 462635712

約数和(自身を除く): 72451799

約数列:

[1, 7, 49, 83, 197, 487, 581, 1379, 3409, 4067, 9653, 16351, 23863, 40421, 95939, 114457, 282947, 671573, 801199, 1980629, 4701011, 7962937, 55740559, 390183913]

約数ペア:

[(1, 390183913), (7, 55740559), (49, 7962937), (83, 4701011), (197, 1980629), (487, 801199), (581, 671573), (1379, 282947), (3409, 114457), (4067, 95939), (9653, 40421), (16351, 23863)]