778878716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 1833995520

約数和(自身を除く): 1055116804

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 113, 139, 154, 161, 196, 226, 253, 278, 308, 322, 452, 506, 539, 556, 644, 791, 973, 1012, 1078, 1127, 1243, 1529, 1582, 1771, 1946, 2156, 2254, 2486, 2599, 3058, 3164, 3197, 3542, 3892, 4508, 4972, 5198, 5537, 6116, 6394, 6811, 7084, 8701, 10396, 10703, 11074, 12397, 12788, 13622, 15707, 17402, 18193, 21406, 22148, 22379, 24794, 27244, 28589, 31414, 34804, 35167, 36386, 42812, 44758, 49588, 57178, 60907, 62828, 70334, 72772, 74921, 89516, 109949, 114356, 121814, 127351, 140668, 149842, 156653, 172777, 200123, 219898, 243628, 246169, 254702, 299684, 313306, 345554, 361261, 400246, 439796, 492338, 509404, 626612, 691108, 722522, 769643, 800492, 984676, 1209439, 1400861, 1445044, 1539286, 1723183, 2418878, 2528827, 2801722, 3078572, 3446366, 3973871, 4837756, 5057654, 5603444, 6892732, 7947742, 8466073, 10115308, 15895484, 16932146, 17701789, 27817097, 33864292, 35403578, 55634194, 70807156, 111268388, 194719679, 389439358, 778878716]

約数ペア:

[(1, 778878716), (2, 389439358), (4, 194719679), (7, 111268388), (11, 70807156), (14, 55634194), (22, 35403578), (23, 33864292), (28, 27817097), (44, 17701789), (46, 16932146), (49, 15895484), (77, 10115308), (92, 8466073), (98, 7947742), (113, 6892732), (139, 5603444), (154, 5057654), (161, 4837756), (196, 3973871), (226, 3446366), (253, 3078572), (278, 2801722), (308, 2528827), (322, 2418878), (452, 1723183), (506, 1539286), (539, 1445044), (556, 1400861), (644, 1209439), (791, 984676), (973, 800492), (1012, 769643), (1078, 722522), (1127, 691108), (1243, 626612), (1529, 509404), (1582, 492338), (1771, 439796), (1946, 400246), (2156, 361261), (2254, 345554), (2486, 313306), (2599, 299684), (3058, 254702), (3164, 246169), (3197, 243628), (3542, 219898), (3892, 200123), (4508, 172777), (4972, 156653), (5198, 149842), (5537, 140668), (6116, 127351), (6394, 121814), (6811, 114356), (7084, 109949), (8701, 89516), (10396, 74921), (10703, 72772), (11074, 70334), (12397, 62828), (12788, 60907), (13622, 57178), (15707, 49588), (17402, 44758), (18193, 42812), (21406, 36386), (22148, 35167), (22379, 34804), (24794, 31414), (27244, 28589)]