428687329

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 546981120

約数和(自身を除く): 118293791

約数列:

[1, 7, 19, 47, 49, 97, 101, 133, 329, 679, 707, 893, 931, 1843, 1919, 2303, 4559, 4747, 4753, 4949, 6251, 9797, 12901, 13433, 31913, 33229, 43757, 68579, 86621, 90193, 90307, 94031, 186143, 223391, 232603, 460459, 480053, 606347, 631351, 1303001, 3223213, 4244429, 4419457, 8748721, 9121007, 22562491, 61241047, 428687329]

約数ペア:

[(1, 428687329), (7, 61241047), (19, 22562491), (47, 9121007), (49, 8748721), (97, 4419457), (101, 4244429), (133, 3223213), (329, 1303001), (679, 631351), (707, 606347), (893, 480053), (931, 460459), (1843, 232603), (1919, 223391), (2303, 186143), (4559, 94031), (4747, 90307), (4753, 90193), (4949, 86621), (6251, 68579), (9797, 43757), (12901, 33229), (13433, 31913)]