28497378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 76769280

約数和(自身を除く): 48271902

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 41, 42, 57, 67, 78, 82, 91, 114, 123, 133, 134, 182, 201, 246, 247, 266, 273, 287, 399, 402, 469, 494, 533, 546, 574, 741, 779, 798, 861, 871, 938, 1066, 1273, 1407, 1482, 1558, 1599, 1722, 1729, 1742, 2337, 2546, 2613, 2747, 2814, 3198, 3458, 3731, 3819, 4674, 5187, 5226, 5453, 5494, 6097, 7462, 7638, 8241, 8911, 10127, 10374, 10906, 11193, 12194, 16359, 16482, 16549, 17822, 18291, 19229, 20254, 22386, 26733, 30381, 32718, 33098, 35711, 36582, 38458, 49647, 52193, 53466, 57687, 60762, 70889, 71422, 99294, 104386, 107133, 115374, 115843, 141778, 156579, 212667, 214266, 231686, 249977, 313158, 347529, 365351, 425334, 499954, 678509, 695058, 730702, 749931, 1096053, 1357018, 1499862, 2035527, 2192106, 4071054, 4749563, 9499126, 14248689, 28497378]

約数ペア:

[(1, 28497378), (2, 14248689), (3, 9499126), (6, 4749563), (7, 4071054), (13, 2192106), (14, 2035527), (19, 1499862), (21, 1357018), (26, 1096053), (38, 749931), (39, 730702), (41, 695058), (42, 678509), (57, 499954), (67, 425334), (78, 365351), (82, 347529), (91, 313158), (114, 249977), (123, 231686), (133, 214266), (134, 212667), (182, 156579), (201, 141778), (246, 115843), (247, 115374), (266, 107133), (273, 104386), (287, 99294), (399, 71422), (402, 70889), (469, 60762), (494, 57687), (533, 53466), (546, 52193), (574, 49647), (741, 38458), (779, 36582), (798, 35711), (861, 33098), (871, 32718), (938, 30381), (1066, 26733), (1273, 22386), (1407, 20254), (1482, 19229), (1558, 18291), (1599, 17822), (1722, 16549), (1729, 16482), (1742, 16359), (2337, 12194), (2546, 11193), (2613, 10906), (2747, 10374), (2814, 10127), (3198, 8911), (3458, 8241), (3731, 7638), (3819, 7462), (4674, 6097), (5187, 5494), (5226, 5453)]