211821456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 687955968

約数和(自身を除く): 476134512

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 223, 231, 257, 264, 308, 336, 446, 462, 514, 528, 616, 669, 771, 892, 924, 1028, 1232, 1338, 1542, 1561, 1784, 1799, 1848, 2056, 2453, 2676, 2827, 3084, 3122, 3568, 3598, 3696, 4112, 4683, 4906, 5352, 5397, 5654, 6168, 6244, 7196, 7359, 8481, 9366, 9812, 10704, 10794, 11308, 12336, 12488, 14392, 14718, 16962, 17171, 18732, 19624, 19789, 21588, 22616, 24976, 28784, 29436, 33924, 34342, 37464, 39248, 39578, 43176, 45232, 51513, 57311, 58872, 59367, 67848, 68684, 74928, 79156, 86352, 103026, 114622, 117744, 118734, 135696, 137368, 158312, 171933, 206052, 229244, 237468, 274736, 316624, 343866, 401177, 412104, 458488, 474936, 630421, 687732, 802354, 824208, 916976, 949872, 1203531, 1260842, 1375464, 1604708, 1891263, 2407062, 2521684, 2750928, 3209416, 3782526, 4412947, 4814124, 5043368, 6418832, 7565052, 8825894, 9628248, 10086736, 13238841, 15130104, 17651788, 19256496, 26477682, 30260208, 35303576, 52955364, 70607152, 105910728, 211821456]

約数ペア:

[(1, 211821456), (2, 105910728), (3, 70607152), (4, 52955364), (6, 35303576), (7, 30260208), (8, 26477682), (11, 19256496), (12, 17651788), (14, 15130104), (16, 13238841), (21, 10086736), (22, 9628248), (24, 8825894), (28, 7565052), (33, 6418832), (42, 5043368), (44, 4814124), (48, 4412947), (56, 3782526), (66, 3209416), (77, 2750928), (84, 2521684), (88, 2407062), (112, 1891263), (132, 1604708), (154, 1375464), (168, 1260842), (176, 1203531), (223, 949872), (231, 916976), (257, 824208), (264, 802354), (308, 687732), (336, 630421), (446, 474936), (462, 458488), (514, 412104), (528, 401177), (616, 343866), (669, 316624), (771, 274736), (892, 237468), (924, 229244), (1028, 206052), (1232, 171933), (1338, 158312), (1542, 137368), (1561, 135696), (1784, 118734), (1799, 117744), (1848, 114622), (2056, 103026), (2453, 86352), (2676, 79156), (2827, 74928), (3084, 68684), (3122, 67848), (3568, 59367), (3598, 58872), (3696, 57311), (4112, 51513), (4683, 45232), (4906, 43176), (5352, 39578), (5397, 39248), (5654, 37464), (6168, 34342), (6244, 33924), (7196, 29436), (7359, 28784), (8481, 24976), (9366, 22616), (9812, 21588), (10704, 19789), (10794, 19624), (11308, 18732), (12336, 17171), (12488, 16962), (14392, 14718)]