16880341779

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 31186022400

約数和(自身を除く): 14305680621

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 87, 127, 133, 147, 171, 203, 261, 381, 399, 441, 547, 551, 609, 889, 931, 1143, 1197, 1421, 1641, 1653, 1827, 2413, 2667, 2793, 3683, 3829, 3857, 4263, 4923, 4959, 6223, 7239, 8001, 8379, 10393, 11049, 11487, 11571, 12789, 15863, 16891, 18669, 21717, 25781, 26803, 26999, 31179, 33147, 34461, 34713, 47589, 50673, 56007, 69469, 69977, 72751, 77343, 80409, 80997, 93537, 111041, 118237, 142767, 152019, 180467, 208407, 209931, 218253, 232029, 241227, 242991, 301397, 333123, 354711, 486283, 489839, 509257, 541401, 625221, 629793, 654759, 777287, 904191, 999369, 1064133, 1319911, 1458849, 1469517, 1527771, 1624203, 2014601, 2109779, 2331861, 2712573, 3403981, 3428873, 3959733, 4376547, 4408551, 4583313, 6043803, 6329337, 6995583, 9239377, 10211943, 10286619, 11879199, 14102207, 14768453, 18131409, 18988011, 27718131, 30635829, 30859857, 38277419, 42306621, 44305359, 64675639, 83154393, 98715449, 114832257, 126919863, 132916077, 194026917, 267941933, 296146347, 344496771, 582080751, 803825799, 888439041, 1875593531, 2411477397, 5626780593, 16880341779]

約数ペア:

[(1, 16880341779), (3, 5626780593), (7, 2411477397), (9, 1875593531), (19, 888439041), (21, 803825799), (29, 582080751), (49, 344496771), (57, 296146347), (63, 267941933), (87, 194026917), (127, 132916077), (133, 126919863), (147, 114832257), (171, 98715449), (203, 83154393), (261, 64675639), (381, 44305359), (399, 42306621), (441, 38277419), (547, 30859857), (551, 30635829), (609, 27718131), (889, 18988011), (931, 18131409), (1143, 14768453), (1197, 14102207), (1421, 11879199), (1641, 10286619), (1653, 10211943), (1827, 9239377), (2413, 6995583), (2667, 6329337), (2793, 6043803), (3683, 4583313), (3829, 4408551), (3857, 4376547), (4263, 3959733), (4923, 3428873), (4959, 3403981), (6223, 2712573), (7239, 2331861), (8001, 2109779), (8379, 2014601), (10393, 1624203), (11049, 1527771), (11487, 1469517), (11571, 1458849), (12789, 1319911), (15863, 1064133), (16891, 999369), (18669, 904191), (21717, 777287), (25781, 654759), (26803, 629793), (26999, 625221), (31179, 541401), (33147, 509257), (34461, 489839), (34713, 486283), (47589, 354711), (50673, 333123), (56007, 301397), (69469, 242991), (69977, 241227), (72751, 232029), (77343, 218253), (80409, 209931), (80997, 208407), (93537, 180467), (111041, 152019), (118237, 142767)]