490905863

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2467}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 594215424

約数和(自身を除く): 103309561

約数列:

[1, 7, 31, 49, 131, 217, 917, 1519, 2467, 4061, 6419, 17269, 28427, 76477, 120883, 198989, 323177, 535339, 2262239, 3747373, 10018487, 15835673, 70129409, 490905863]

約数ペア:

[(1, 490905863), (7, 70129409), (31, 15835673), (49, 10018487), (131, 3747373), (217, 2262239), (917, 535339), (1519, 323177), (2467, 198989), (4061, 120883), (6419, 76477), (17269, 28427)]