681331886

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1\times {\mathrm{2081}}^1$

素因数の和:3499

約数の個数: 16

約数和(自身を含む): 1031339520

約数和(自身を除く): 350007634

約数列:

[1, 2, 127, 254, 1289, 2081, 2578, 4162, 163703, 264287, 327406, 528574, 2682409, 5364818, 340665943, 681331886]

約数ペア:

[(1, 681331886), (2, 340665943), (127, 5364818), (254, 2682409), (1289, 528574), (2081, 327406), (2578, 264287), (4162, 163703)]