2071020721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{919}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 2726040960

約数和(自身を除く): 655020239

約数列:

[1, 7, 11, 37, 49, 77, 113, 259, 407, 539, 791, 919, 1243, 1813, 2849, 4181, 5537, 6433, 8701, 10109, 19943, 29267, 34003, 45031, 45991, 60907, 70763, 103847, 204869, 238021, 321937, 374033, 495341, 726929, 1142317, 1666147, 2253559, 2618231, 3842339, 5088503, 7996219, 18327617, 26896373, 42265729, 55973533, 188274611, 295860103, 2071020721]

約数ペア:

[(1, 2071020721), (7, 295860103), (11, 188274611), (37, 55973533), (49, 42265729), (77, 26896373), (113, 18327617), (259, 7996219), (407, 5088503), (539, 3842339), (791, 2618231), (919, 2253559), (1243, 1666147), (1813, 1142317), (2849, 726929), (4181, 495341), (5537, 374033), (6433, 321937), (8701, 238021), (10109, 204869), (19943, 103847), (29267, 70763), (34003, 60907), (45031, 45991)]