128959612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{27817}}^1$

素因数の和:27901

約数の個数: 24

約数和(自身を含む): 241460240

約数和(自身を除く): 112500628

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 27817, 55634, 111268, 528523, 1057046, 1696837, 2114092, 3393674, 6787348, 32239903, 64479806, 128959612]

約数ペア:

[(1, 128959612), (2, 64479806), (4, 32239903), (19, 6787348), (38, 3393674), (61, 2114092), (76, 1696837), (122, 1057046), (244, 528523), (1159, 111268), (2318, 55634), (4636, 27817)]