28253772

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 79685760

約数和(自身を除く): 51431988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 31, 36, 54, 58, 62, 81, 87, 93, 97, 108, 116, 124, 162, 174, 186, 194, 261, 279, 291, 324, 348, 372, 388, 522, 558, 582, 783, 837, 873, 899, 1044, 1116, 1164, 1566, 1674, 1746, 1798, 2349, 2511, 2619, 2697, 2813, 3007, 3132, 3348, 3492, 3596, 4698, 5022, 5238, 5394, 5626, 6014, 7857, 8091, 8439, 9021, 9396, 10044, 10476, 10788, 11252, 12028, 15714, 16182, 16878, 18042, 24273, 25317, 27063, 31428, 32364, 33756, 36084, 48546, 50634, 54126, 72819, 75951, 81189, 87203, 97092, 101268, 108252, 145638, 151902, 162378, 174406, 227853, 243567, 261609, 291276, 303804, 324756, 348812, 455706, 487134, 523218, 784827, 911412, 974268, 1046436, 1569654, 2354481, 3139308, 4708962, 7063443, 9417924, 14126886, 28253772]

約数ペア:

[(1, 28253772), (2, 14126886), (3, 9417924), (4, 7063443), (6, 4708962), (9, 3139308), (12, 2354481), (18, 1569654), (27, 1046436), (29, 974268), (31, 911412), (36, 784827), (54, 523218), (58, 487134), (62, 455706), (81, 348812), (87, 324756), (93, 303804), (97, 291276), (108, 261609), (116, 243567), (124, 227853), (162, 174406), (174, 162378), (186, 151902), (194, 145638), (261, 108252), (279, 101268), (291, 97092), (324, 87203), (348, 81189), (372, 75951), (388, 72819), (522, 54126), (558, 50634), (582, 48546), (783, 36084), (837, 33756), (873, 32364), (899, 31428), (1044, 27063), (1116, 25317), (1164, 24273), (1566, 18042), (1674, 16878), (1746, 16182), (1798, 15714), (2349, 12028), (2511, 11252), (2619, 10788), (2697, 10476), (2813, 10044), (3007, 9396), (3132, 9021), (3348, 8439), (3492, 8091), (3596, 7857), (4698, 6014), (5022, 5626), (5238, 5394)]