28305356457

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 47568384000

約数和(自身を除く): 19263027543

約数列:

[1, 3, 7, 19, 21, 57, 61, 73, 89, 133, 179, 183, 219, 267, 399, 427, 511, 537, 623, 1159, 1253, 1281, 1387, 1533, 1691, 1869, 3401, 3477, 3759, 4161, 4453, 5073, 5429, 6497, 8113, 9709, 10203, 10919, 11837, 13067, 13359, 15931, 16287, 19491, 23807, 24339, 29127, 31171, 32757, 35511, 38003, 39201, 45479, 47793, 71421, 76433, 84607, 91469, 93513, 103151, 111517, 114009, 123443, 136437, 207461, 229299, 248273, 253821, 274407, 302689, 309453, 334551, 370329, 396317, 592249, 622383, 722057, 744819, 797087, 864101, 908067, 971791, 1162963, 1188951, 1452227, 1737911, 1776747, 2118823, 2166171, 2391261, 2592303, 2774219, 2915373, 3488889, 4356681, 5213733, 5579609, 6356469, 6802537, 7530023, 8140741, 8322657, 15144653, 16738827, 18464029, 20407611, 22096297, 22590069, 24422223, 45433959, 52710161, 55392087, 66288891, 70940743, 106012571, 129248203, 154674079, 158130483, 212822229, 318037713, 387744609, 464022237, 496585201, 1347874117, 1489755603, 4043622351, 9435118819, 28305356457]

約数ペア:

[(1, 28305356457), (3, 9435118819), (7, 4043622351), (19, 1489755603), (21, 1347874117), (57, 496585201), (61, 464022237), (73, 387744609), (89, 318037713), (133, 212822229), (179, 158130483), (183, 154674079), (219, 129248203), (267, 106012571), (399, 70940743), (427, 66288891), (511, 55392087), (537, 52710161), (623, 45433959), (1159, 24422223), (1253, 22590069), (1281, 22096297), (1387, 20407611), (1533, 18464029), (1691, 16738827), (1869, 15144653), (3401, 8322657), (3477, 8140741), (3759, 7530023), (4161, 6802537), (4453, 6356469), (5073, 5579609), (5429, 5213733), (6497, 4356681), (8113, 3488889), (9709, 2915373), (10203, 2774219), (10919, 2592303), (11837, 2391261), (13067, 2166171), (13359, 2118823), (15931, 1776747), (16287, 1737911), (19491, 1452227), (23807, 1188951), (24339, 1162963), (29127, 971791), (31171, 908067), (32757, 864101), (35511, 797087), (38003, 744819), (39201, 722057), (45479, 622383), (47793, 592249), (71421, 396317), (76433, 370329), (84607, 334551), (91469, 309453), (93513, 302689), (103151, 274407), (111517, 253821), (114009, 248273), (123443, 229299), (136437, 207461)]