1640887922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 2553211584

約数和(自身を除く): 912323662

約数列:

[1, 2, 61, 83, 122, 131, 166, 262, 1237, 2474, 5063, 7991, 10126, 10873, 15982, 21746, 75457, 102671, 150914, 162047, 205342, 324094, 663253, 1326506, 6262931, 9884867, 12525862, 13449901, 19769734, 26899802, 820443961, 1640887922]

約数ペア:

[(1, 1640887922), (2, 820443961), (61, 26899802), (83, 19769734), (122, 13449901), (131, 12525862), (166, 9884867), (262, 6262931), (1237, 1326506), (2474, 663253), (5063, 324094), (7991, 205342), (10126, 162047), (10873, 150914), (15982, 102671), (21746, 75457)]