139968000004

素因数分解:

$2^2\times 7^2\times {\mathrm{714122449}}^1$

素因数の和:714122467

約数の個数: 18

約数和(自身を含む): 284934857550

約数和(自身を除く): 144966857546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 714122449, 1428244898, 2856489796, 4998857143, 9997714286, 19995428572, 34992000001, 69984000002, 139968000004]

約数ペア:

[(1, 139968000004), (2, 69984000002), (4, 34992000001), (7, 19995428572), (14, 9997714286), (28, 4998857143), (49, 2856489796), (98, 1428244898), (196, 714122449)]