257492844

素因数分解:

$2^2\times 3^4\times 7^4\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 150

約数和(自身を含む): 787652404

約数和(自身を除く): 530159560

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 331, 343, 378, 441, 567, 588, 662, 686, 756, 882, 993, 1029, 1134, 1323, 1324, 1372, 1764, 1986, 2058, 2268, 2317, 2401, 2646, 2979, 3087, 3969, 3972, 4116, 4634, 4802, 5292, 5958, 6174, 6951, 7203, 7938, 8937, 9261, 9268, 9604, 11916, 12348, 13902, 14406, 15876, 16219, 17874, 18522, 20853, 21609, 26811, 27783, 27804, 28812, 32438, 35748, 37044, 41706, 43218, 48657, 53622, 55566, 62559, 64827, 64876, 83412, 86436, 97314, 107244, 111132, 113533, 125118, 129654, 145971, 187677, 194481, 194628, 227066, 250236, 259308, 291942, 340599, 375354, 388962, 437913, 454132, 583884, 681198, 750708, 777924, 794731, 875826, 1021797, 1313739, 1362396, 1589462, 1751652, 2043594, 2384193, 2627478, 3065391, 3178924, 4087188, 4768386, 5254956, 6130782, 7152579, 9196173, 9536772, 12261564, 14305158, 18392346, 21457737, 28610316, 36784692, 42915474, 64373211, 85830948, 128746422, 257492844]

約数ペア:

[(1, 257492844), (2, 128746422), (3, 85830948), (4, 64373211), (6, 42915474), (7, 36784692), (9, 28610316), (12, 21457737), (14, 18392346), (18, 14305158), (21, 12261564), (27, 9536772), (28, 9196173), (36, 7152579), (42, 6130782), (49, 5254956), (54, 4768386), (63, 4087188), (81, 3178924), (84, 3065391), (98, 2627478), (108, 2384193), (126, 2043594), (147, 1751652), (162, 1589462), (189, 1362396), (196, 1313739), (252, 1021797), (294, 875826), (324, 794731), (331, 777924), (343, 750708), (378, 681198), (441, 583884), (567, 454132), (588, 437913), (662, 388962), (686, 375354), (756, 340599), (882, 291942), (993, 259308), (1029, 250236), (1134, 227066), (1323, 194628), (1324, 194481), (1372, 187677), (1764, 145971), (1986, 129654), (2058, 125118), (2268, 113533), (2317, 111132), (2401, 107244), (2646, 97314), (2979, 86436), (3087, 83412), (3969, 64876), (3972, 64827), (4116, 62559), (4634, 55566), (4802, 53622), (5292, 48657), (5958, 43218), (6174, 41706), (6951, 37044), (7203, 35748), (7938, 32438), (8937, 28812), (9261, 27804), (9268, 27783), (9604, 26811), (11916, 21609), (12348, 20853), (13902, 18522), (14406, 17874), (15876, 16219)]