31990988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2011}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 57969744

約数和(自身を除く): 25978756

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 2011, 3977, 4022, 7954, 8044, 15908, 82451, 164902, 195067, 329804, 390134, 780268, 7997747, 15995494, 31990988]

約数ペア:

[(1, 31990988), (2, 15995494), (4, 7997747), (41, 780268), (82, 390134), (97, 329804), (164, 195067), (194, 164902), (388, 82451), (2011, 15908), (3977, 8044), (4022, 7954)]