278155332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 871782912

約数和(自身を除く): 593627580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 197, 234, 252, 273, 364, 394, 431, 468, 546, 591, 788, 819, 862, 1092, 1182, 1293, 1379, 1638, 1724, 1773, 2364, 2561, 2586, 2758, 3017, 3276, 3546, 3879, 4137, 5122, 5172, 5516, 5603, 6034, 7092, 7683, 7758, 8274, 9051, 10244, 11206, 12068, 12411, 15366, 15516, 16548, 16809, 17927, 18102, 22412, 23049, 24822, 27153, 30732, 33618, 35854, 36204, 39221, 46098, 49644, 50427, 53781, 54306, 67236, 71708, 78442, 84907, 92196, 100854, 107562, 108612, 117663, 156884, 161343, 169814, 201708, 215124, 235326, 254721, 322686, 339628, 352989, 470652, 509442, 594349, 645372, 705978, 764163, 1018884, 1103791, 1188698, 1411956, 1528326, 1783047, 2207582, 2377396, 3056652, 3311373, 3566094, 4415164, 5349141, 6622746, 7132188, 7726537, 9934119, 10698282, 13245492, 15453074, 19868238, 21396564, 23179611, 30906148, 39736476, 46359222, 69538833, 92718444, 139077666, 278155332]

約数ペア:

[(1, 278155332), (2, 139077666), (3, 92718444), (4, 69538833), (6, 46359222), (7, 39736476), (9, 30906148), (12, 23179611), (13, 21396564), (14, 19868238), (18, 15453074), (21, 13245492), (26, 10698282), (28, 9934119), (36, 7726537), (39, 7132188), (42, 6622746), (52, 5349141), (63, 4415164), (78, 3566094), (84, 3311373), (91, 3056652), (117, 2377396), (126, 2207582), (156, 1783047), (182, 1528326), (197, 1411956), (234, 1188698), (252, 1103791), (273, 1018884), (364, 764163), (394, 705978), (431, 645372), (468, 594349), (546, 509442), (591, 470652), (788, 352989), (819, 339628), (862, 322686), (1092, 254721), (1182, 235326), (1293, 215124), (1379, 201708), (1638, 169814), (1724, 161343), (1773, 156884), (2364, 117663), (2561, 108612), (2586, 107562), (2758, 100854), (3017, 92196), (3276, 84907), (3546, 78442), (3879, 71708), (4137, 67236), (5122, 54306), (5172, 53781), (5516, 50427), (5603, 49644), (6034, 46098), (7092, 39221), (7683, 36204), (7758, 35854), (8274, 33618), (9051, 30732), (10244, 27153), (11206, 24822), (12068, 23049), (12411, 22412), (15366, 18102), (15516, 17927), (16548, 16809)]