28208498157

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2311}}^1$

素因数の和:2504

約数の個数: 128

約数和(自身を含む): 52735795200

約数和(自身を除く): 24527297043

約数列:

[1, 3, 7, 9, 17, 21, 27, 29, 51, 63, 87, 119, 131, 153, 189, 203, 261, 357, 393, 459, 493, 609, 783, 917, 1071, 1179, 1479, 1827, 2227, 2311, 2751, 3213, 3451, 3537, 3799, 4437, 5481, 6681, 6933, 8253, 10353, 11397, 13311, 15589, 16177, 20043, 20799, 24759, 26593, 31059, 34191, 39287, 46767, 48531, 60129, 62397, 64583, 67019, 79779, 93177, 102573, 117861, 140301, 145593, 193749, 201057, 239337, 275009, 302741, 353583, 420903, 436779, 452081, 469133, 581247, 603171, 718011, 825027, 908223, 1060749, 1139323, 1356243, 1407399, 1743741, 1809513, 2119187, 2475081, 2724669, 3417969, 4068729, 4222197, 5146597, 6357561, 7425243, 7975261, 8174007, 8779489, 10253907, 12206187, 12666591, 15439791, 19072683, 23925783, 26338467, 30761721, 36026179, 46319373, 57218049, 61456423, 71777349, 79015401, 108078537, 138958119, 149251313, 184369269, 215332047, 237046203, 324235611, 447753939, 553107807, 972706833, 1044759191, 1343261817, 1659323421, 3134277573, 4029785451, 9402832719, 28208498157]

約数ペア:

[(1, 28208498157), (3, 9402832719), (7, 4029785451), (9, 3134277573), (17, 1659323421), (21, 1343261817), (27, 1044759191), (29, 972706833), (51, 553107807), (63, 447753939), (87, 324235611), (119, 237046203), (131, 215332047), (153, 184369269), (189, 149251313), (203, 138958119), (261, 108078537), (357, 79015401), (393, 71777349), (459, 61456423), (493, 57218049), (609, 46319373), (783, 36026179), (917, 30761721), (1071, 26338467), (1179, 23925783), (1479, 19072683), (1827, 15439791), (2227, 12666591), (2311, 12206187), (2751, 10253907), (3213, 8779489), (3451, 8174007), (3537, 7975261), (3799, 7425243), (4437, 6357561), (5481, 5146597), (6681, 4222197), (6933, 4068729), (8253, 3417969), (10353, 2724669), (11397, 2475081), (13311, 2119187), (15589, 1809513), (16177, 1743741), (20043, 1407399), (20799, 1356243), (24759, 1139323), (26593, 1060749), (31059, 908223), (34191, 825027), (39287, 718011), (46767, 603171), (48531, 581247), (60129, 469133), (62397, 452081), (64583, 436779), (67019, 420903), (79779, 353583), (93177, 302741), (102573, 275009), (117861, 239337), (140301, 201057), (145593, 193749)]