2581488

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 8936928

約数和(自身を除く): 6355440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 197, 208, 234, 252, 273, 312, 336, 364, 394, 468, 504, 546, 591, 624, 728, 788, 819, 936, 1008, 1092, 1182, 1379, 1456, 1576, 1638, 1773, 1872, 2184, 2364, 2561, 2758, 3152, 3276, 3546, 4137, 4368, 4728, 5122, 5516, 6552, 7092, 7683, 8274, 9456, 10244, 11032, 12411, 13104, 14184, 15366, 16548, 17927, 20488, 22064, 23049, 24822, 28368, 30732, 33096, 35854, 40976, 46098, 49644, 53781, 61464, 66192, 71708, 92196, 99288, 107562, 122928, 143416, 161343, 184392, 198576, 215124, 286832, 322686, 368784, 430248, 645372, 860496, 1290744, 2581488]

約数ペア:

[(1, 2581488), (2, 1290744), (3, 860496), (4, 645372), (6, 430248), (7, 368784), (8, 322686), (9, 286832), (12, 215124), (13, 198576), (14, 184392), (16, 161343), (18, 143416), (21, 122928), (24, 107562), (26, 99288), (28, 92196), (36, 71708), (39, 66192), (42, 61464), (48, 53781), (52, 49644), (56, 46098), (63, 40976), (72, 35854), (78, 33096), (84, 30732), (91, 28368), (104, 24822), (112, 23049), (117, 22064), (126, 20488), (144, 17927), (156, 16548), (168, 15366), (182, 14184), (197, 13104), (208, 12411), (234, 11032), (252, 10244), (273, 9456), (312, 8274), (336, 7683), (364, 7092), (394, 6552), (468, 5516), (504, 5122), (546, 4728), (591, 4368), (624, 4137), (728, 3546), (788, 3276), (819, 3152), (936, 2758), (1008, 2561), (1092, 2364), (1182, 2184), (1379, 1872), (1456, 1773), (1576, 1638)]