681136178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{1979}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 1108546560

約数和(自身を除く): 427410382

約数列:

[1, 2, 17, 34, 53, 106, 191, 382, 901, 1802, 1979, 3247, 3958, 6494, 10123, 20246, 33643, 67286, 104887, 172091, 209774, 344182, 377989, 755978, 1783079, 3566158, 6425813, 12851626, 20033417, 40066834, 340568089, 681136178]

約数ペア:

[(1, 681136178), (2, 340568089), (17, 40066834), (34, 20033417), (53, 12851626), (106, 6425813), (191, 3566158), (382, 1783079), (901, 755978), (1802, 377989), (1979, 344182), (3247, 209774), (3958, 172091), (6494, 104887), (10123, 67286), (20246, 33643)]