644920992957

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{1787}}^1\times {\mathrm{8779}}^1$

素因数の和:10833

約数の個数: 32

約数和(自身を含む): 877114414080

約数和(自身を除く): 232193421123

約数列:

[1, 3, 71, 193, 213, 579, 1787, 5361, 8779, 13703, 26337, 41109, 126877, 344891, 380631, 623309, 1034673, 1694347, 1869927, 5083041, 15688073, 24487261, 47064219, 73461783, 120298637, 360895911, 1113853183, 3027798089, 3341559549, 9083394267, 214973664319, 644920992957]

約数ペア:

[(1, 644920992957), (3, 214973664319), (71, 9083394267), (193, 3341559549), (213, 3027798089), (579, 1113853183), (1787, 360895911), (5361, 120298637), (8779, 73461783), (13703, 47064219), (26337, 24487261), (41109, 15688073), (126877, 5083041), (344891, 1869927), (380631, 1694347), (623309, 1034673)]