129123940295

素因数分解:

$5^1\times 7^2\times {\mathrm{4021}}^1\times {\mathrm{131071}}^1$

素因数の和:135111

約数の個数: 24

約数和(自身を含む): 180292681728

約数和(自身を除く): 51168741433

約数列:

[1, 5, 7, 35, 49, 245, 4021, 20105, 28147, 131071, 140735, 197029, 655355, 917497, 985145, 4587485, 6422479, 32112395, 527036491, 2635182455, 3689255437, 18446277185, 25824788059, 129123940295]

約数ペア:

[(1, 129123940295), (5, 25824788059), (7, 18446277185), (35, 3689255437), (49, 2635182455), (245, 527036491), (4021, 32112395), (20105, 6422479), (28147, 4587485), (131071, 985145), (140735, 917497), (197029, 655355)]