858491711

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 1134673920

約数和(自身を除く): 276182209

約数列:

[1, 7, 11, 31, 49, 77, 191, 217, 269, 341, 539, 1337, 1519, 1883, 2101, 2387, 2959, 5921, 8339, 9359, 13181, 14707, 16709, 20713, 41447, 51379, 58373, 65131, 91729, 102949, 144991, 290129, 359653, 408611, 455917, 565169, 642103, 1592749, 2517571, 3191419, 3956183, 4494721, 11149243, 17520239, 27693281, 78044701, 122641673, 858491711]

約数ペア:

[(1, 858491711), (7, 122641673), (11, 78044701), (31, 27693281), (49, 17520239), (77, 11149243), (191, 4494721), (217, 3956183), (269, 3191419), (341, 2517571), (539, 1592749), (1337, 642103), (1519, 565169), (1883, 455917), (2101, 408611), (2387, 359653), (2959, 290129), (5921, 144991), (8339, 102949), (9359, 91729), (13181, 65131), (14707, 58373), (16709, 51379), (20713, 41447)]