68978987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47149}}^1$

素因数の和:47186

約数の個数: 16

約数和(自身を含む): 90528000

約数和(自身を除く): 21549013

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 47149, 330043, 518639, 895831, 3630473, 6270817, 9854141, 68978987]

約数ペア:

[(1, 68978987), (7, 9854141), (11, 6270817), (19, 3630473), (77, 895831), (133, 518639), (209, 330043), (1463, 47149)]