691107228

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1145

約数の個数: 120

約数和(自身を含む): 2072398944

約数和(自身を除く): 1381291716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 461, 567, 661, 756, 922, 1134, 1322, 1383, 1844, 1983, 2268, 2644, 2766, 3227, 3966, 4149, 4627, 5532, 5949, 6454, 7932, 8298, 9254, 9681, 11898, 12447, 12908, 13881, 16596, 17847, 18508, 19362, 23796, 24894, 27762, 29043, 35694, 37341, 38724, 41643, 49788, 53541, 55524, 58086, 71388, 74682, 83286, 87129, 107082, 116172, 124929, 149364, 166572, 174258, 214164, 249858, 261387, 304721, 348516, 374787, 499716, 522774, 609442, 749574, 914163, 1045548, 1218884, 1499148, 1828326, 2133047, 2742489, 3656652, 4266094, 5484978, 6399141, 8227467, 8532188, 10969956, 12798282, 16454934, 19197423, 24682401, 25596564, 32909868, 38394846, 49364802, 57592269, 76789692, 98729604, 115184538, 172776807, 230369076, 345553614, 691107228]

約数ペア:

[(1, 691107228), (2, 345553614), (3, 230369076), (4, 172776807), (6, 115184538), (7, 98729604), (9, 76789692), (12, 57592269), (14, 49364802), (18, 38394846), (21, 32909868), (27, 25596564), (28, 24682401), (36, 19197423), (42, 16454934), (54, 12798282), (63, 10969956), (81, 8532188), (84, 8227467), (108, 6399141), (126, 5484978), (162, 4266094), (189, 3656652), (252, 2742489), (324, 2133047), (378, 1828326), (461, 1499148), (567, 1218884), (661, 1045548), (756, 914163), (922, 749574), (1134, 609442), (1322, 522774), (1383, 499716), (1844, 374787), (1983, 348516), (2268, 304721), (2644, 261387), (2766, 249858), (3227, 214164), (3966, 174258), (4149, 166572), (4627, 149364), (5532, 124929), (5949, 116172), (6454, 107082), (7932, 87129), (8298, 83286), (9254, 74682), (9681, 71388), (11898, 58086), (12447, 55524), (12908, 53541), (13881, 49788), (16596, 41643), (17847, 38724), (18508, 37341), (19362, 35694), (23796, 29043), (24894, 27762)]