128604959

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 155536128

約数和(自身を除く): 26931169

約数列:

[1, 7, 43, 49, 67, 301, 469, 911, 2107, 2881, 3283, 6377, 20167, 39173, 44639, 61037, 141169, 274211, 427259, 1919477, 2624591, 2990813, 18372137, 128604959]

約数ペア:

[(1, 128604959), (7, 18372137), (43, 2990813), (49, 2624591), (67, 1919477), (301, 427259), (469, 274211), (911, 141169), (2107, 61037), (2881, 44639), (3283, 39173), (6377, 20167)]