68139968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{81899}}^1$

素因数の和:81924

約数の個数: 28

約数和(自身を含む): 145618200

約数和(自身を除く): 77478232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 81899, 163798, 327596, 655192, 1064687, 1310384, 2129374, 2620768, 4258748, 5241536, 8517496, 17034992, 34069984, 68139968]

約数ペア:

[(1, 68139968), (2, 34069984), (4, 17034992), (8, 8517496), (13, 5241536), (16, 4258748), (26, 2620768), (32, 2129374), (52, 1310384), (64, 1064687), (104, 655192), (208, 327596), (416, 163798), (832, 81899)]