1440028772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{208217}}^1$

素因数の和:208260

約数の個数: 48

約数和(自身を含む): 3264858240

約数和(自身を除く): 1824829468

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 208217, 416434, 832868, 1457519, 2706821, 2915038, 3956123, 5413642, 5830076, 7912246, 10827284, 15824492, 18947747, 27692861, 37895494, 51429599, 55385722, 75790988, 102859198, 110771444, 205718396, 360007193, 720014386, 1440028772]

約数ペア:

[(1, 1440028772), (2, 720014386), (4, 360007193), (7, 205718396), (13, 110771444), (14, 102859198), (19, 75790988), (26, 55385722), (28, 51429599), (38, 37895494), (52, 27692861), (76, 18947747), (91, 15824492), (133, 10827284), (182, 7912246), (247, 5830076), (266, 5413642), (364, 3956123), (494, 2915038), (532, 2706821), (988, 1457519), (1729, 832868), (3458, 416434), (6916, 208217)]