201901781456

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{14887}}^1\times {\mathrm{5399}}^1$

素因数の和:20451

約数の個数: 40

約数和(自身を含む): 393775689600

約数和(自身を除く): 191873908144

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 5399, 10798, 14887, 21596, 29774, 43192, 59548, 86384, 119096, 238192, 847643, 1695286, 2337259, 3390572, 4674518, 6781144, 9349036, 13562288, 18698072, 37396144, 80374913, 160749826, 321499652, 642999304, 1285998608, 12618861341, 25237722682, 50475445364, 100950890728, 201901781456]

約数ペア:

[(1, 201901781456), (2, 100950890728), (4, 50475445364), (8, 25237722682), (16, 12618861341), (157, 1285998608), (314, 642999304), (628, 321499652), (1256, 160749826), (2512, 80374913), (5399, 37396144), (10798, 18698072), (14887, 13562288), (21596, 9349036), (29774, 6781144), (43192, 4674518), (59548, 3390572), (86384, 2337259), (119096, 1695286), (238192, 847643)]