816156978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3823}}^1$

素因数の和:3888

約数の個数: 128

約数和(自身を含む): 2220244992

約数和(自身を除く): 1404088014

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 23, 26, 34, 39, 42, 46, 51, 69, 78, 91, 102, 119, 138, 161, 182, 221, 238, 273, 299, 322, 357, 391, 442, 483, 546, 598, 663, 714, 782, 897, 966, 1173, 1326, 1547, 1794, 2093, 2346, 2737, 3094, 3823, 4186, 4641, 5083, 5474, 6279, 7646, 8211, 9282, 10166, 11469, 12558, 15249, 16422, 22938, 26761, 30498, 35581, 49699, 53522, 64991, 71162, 80283, 87929, 99398, 106743, 129982, 149097, 160566, 175858, 194973, 213486, 263787, 298194, 347893, 389946, 454937, 527574, 615503, 695786, 844883, 909874, 1043679, 1143077, 1231006, 1364811, 1494793, 1689766, 1846509, 2087358, 2286154, 2534649, 2729622, 2989586, 3429231, 3693018, 4484379, 5069298, 5914181, 6858462, 8001539, 8968758, 10463551, 11828362, 16003078, 17742543, 19432309, 20927102, 24004617, 31390653, 35485086, 38864618, 48009234, 58296927, 62781306, 116593854, 136026163, 272052326, 408078489, 816156978]

約数ペア:

[(1, 816156978), (2, 408078489), (3, 272052326), (6, 136026163), (7, 116593854), (13, 62781306), (14, 58296927), (17, 48009234), (21, 38864618), (23, 35485086), (26, 31390653), (34, 24004617), (39, 20927102), (42, 19432309), (46, 17742543), (51, 16003078), (69, 11828362), (78, 10463551), (91, 8968758), (102, 8001539), (119, 6858462), (138, 5914181), (161, 5069298), (182, 4484379), (221, 3693018), (238, 3429231), (273, 2989586), (299, 2729622), (322, 2534649), (357, 2286154), (391, 2087358), (442, 1846509), (483, 1689766), (546, 1494793), (598, 1364811), (663, 1231006), (714, 1143077), (782, 1043679), (897, 909874), (966, 844883), (1173, 695786), (1326, 615503), (1547, 527574), (1794, 454937), (2093, 389946), (2346, 347893), (2737, 298194), (3094, 263787), (3823, 213486), (4186, 194973), (4641, 175858), (5083, 160566), (5474, 149097), (6279, 129982), (7646, 106743), (8211, 99398), (9282, 87929), (10166, 80283), (11469, 71162), (12558, 64991), (15249, 53522), (16422, 49699), (22938, 35581), (26761, 30498)]