2390449516

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{19961}}^1$

素因数の和:20039

約数の個数: 72

約数和(自身を含む): 5352371136

約数和(自身を除く): 2961921620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 49, 52, 91, 94, 98, 182, 188, 196, 329, 364, 611, 637, 658, 1222, 1274, 1316, 2303, 2444, 2548, 4277, 4606, 8554, 9212, 17108, 19961, 29939, 39922, 59878, 79844, 119756, 139727, 259493, 279454, 518986, 558908, 938167, 978089, 1037972, 1816451, 1876334, 1956178, 3632902, 3752668, 3912356, 6567169, 7265804, 12196171, 12715157, 13134338, 24392342, 25430314, 26268676, 45970183, 48784684, 50860628, 85373197, 91940366, 170746394, 183880732, 341492788, 597612379, 1195224758, 2390449516]

約数ペア:

[(1, 2390449516), (2, 1195224758), (4, 597612379), (7, 341492788), (13, 183880732), (14, 170746394), (26, 91940366), (28, 85373197), (47, 50860628), (49, 48784684), (52, 45970183), (91, 26268676), (94, 25430314), (98, 24392342), (182, 13134338), (188, 12715157), (196, 12196171), (329, 7265804), (364, 6567169), (611, 3912356), (637, 3752668), (658, 3632902), (1222, 1956178), (1274, 1876334), (1316, 1816451), (2303, 1037972), (2444, 978089), (2548, 938167), (4277, 558908), (4606, 518986), (8554, 279454), (9212, 259493), (17108, 139727), (19961, 119756), (29939, 79844), (39922, 59878)]