139217617

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 187038720

約数和(自身を除く): 47821103

約数列:

[1, 7, 11, 19, 43, 77, 133, 209, 301, 473, 817, 1463, 2213, 3311, 5719, 8987, 15491, 24343, 42047, 62909, 95159, 170401, 294329, 462517, 666113, 1046749, 1808021, 3237619, 7327243, 12656147, 19888231, 139217617]

約数ペア:

[(1, 139217617), (7, 19888231), (11, 12656147), (19, 7327243), (43, 3237619), (77, 1808021), (133, 1046749), (209, 666113), (301, 462517), (473, 294329), (817, 170401), (1463, 95159), (2213, 62909), (3311, 42047), (5719, 24343), (8987, 15491)]