256858056

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 192

約数和(自身を含む): 864864000

約数和(自身を除く): 608005944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 197, 199, 234, 252, 273, 312, 364, 394, 398, 468, 504, 546, 591, 597, 728, 788, 796, 819, 936, 1092, 1182, 1194, 1379, 1393, 1576, 1592, 1638, 1773, 1791, 2184, 2364, 2388, 2561, 2587, 2758, 2786, 3276, 3546, 3582, 4137, 4179, 4728, 4776, 5122, 5174, 5516, 5572, 6552, 7092, 7164, 7683, 7761, 8274, 8358, 10244, 10348, 11032, 11144, 12411, 12537, 14184, 14328, 15366, 15522, 16548, 16716, 17927, 18109, 20488, 20696, 23049, 23283, 24822, 25074, 30732, 31044, 33096, 33432, 35854, 36218, 39203, 46098, 46566, 49644, 50148, 53781, 54327, 61464, 62088, 71708, 72436, 78406, 92196, 93132, 99288, 100296, 107562, 108654, 117609, 143416, 144872, 156812, 161343, 162981, 184392, 186264, 215124, 217308, 235218, 274421, 313624, 322686, 325962, 352827, 430248, 434616, 470436, 509639, 548842, 645372, 651924, 705654, 823263, 940872, 1019278, 1097684, 1290744, 1303848, 1411308, 1528917, 1646526, 2038556, 2195368, 2469789, 2822616, 3057834, 3293052, 3567473, 4077112, 4586751, 4939578, 6115668, 6586104, 7134946, 9173502, 9879156, 10702419, 12231336, 14269892, 18347004, 19758312, 21404838, 28539784, 32107257, 36694008, 42809676, 64214514, 85619352, 128429028, 256858056]

約数ペア:

[(1, 256858056), (2, 128429028), (3, 85619352), (4, 64214514), (6, 42809676), (7, 36694008), (8, 32107257), (9, 28539784), (12, 21404838), (13, 19758312), (14, 18347004), (18, 14269892), (21, 12231336), (24, 10702419), (26, 9879156), (28, 9173502), (36, 7134946), (39, 6586104), (42, 6115668), (52, 4939578), (56, 4586751), (63, 4077112), (72, 3567473), (78, 3293052), (84, 3057834), (91, 2822616), (104, 2469789), (117, 2195368), (126, 2038556), (156, 1646526), (168, 1528917), (182, 1411308), (197, 1303848), (199, 1290744), (234, 1097684), (252, 1019278), (273, 940872), (312, 823263), (364, 705654), (394, 651924), (398, 645372), (468, 548842), (504, 509639), (546, 470436), (591, 434616), (597, 430248), (728, 352827), (788, 325962), (796, 322686), (819, 313624), (936, 274421), (1092, 235218), (1182, 217308), (1194, 215124), (1379, 186264), (1393, 184392), (1576, 162981), (1592, 161343), (1638, 156812), (1773, 144872), (1791, 143416), (2184, 117609), (2364, 108654), (2388, 107562), (2561, 100296), (2587, 99288), (2758, 93132), (2786, 92196), (3276, 78406), (3546, 72436), (3582, 71708), (4137, 62088), (4179, 61464), (4728, 54327), (4776, 53781), (5122, 50148), (5174, 49644), (5516, 46566), (5572, 46098), (6552, 39203), (7092, 36218), (7164, 35854), (7683, 33432), (7761, 33096), (8274, 31044), (8358, 30732), (10244, 25074), (10348, 24822), (11032, 23283), (11144, 23049), (12411, 20696), (12537, 20488), (14184, 18109), (14328, 17927), (15366, 16716), (15522, 16548)]