664249586

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 1426440960

約数和(自身を除く): 762191374

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 49, 62, 77, 91, 98, 121, 139, 143, 154, 182, 217, 242, 278, 286, 341, 403, 434, 539, 637, 682, 806, 847, 973, 1001, 1078, 1274, 1519, 1529, 1573, 1694, 1807, 1946, 2002, 2387, 2821, 3038, 3058, 3146, 3614, 3751, 4309, 4433, 4774, 5642, 5929, 6811, 7007, 7502, 8618, 8866, 10703, 11011, 11858, 12649, 13622, 14014, 16709, 16819, 19747, 19877, 21406, 22022, 25298, 26257, 30163, 31031, 33418, 33638, 39494, 39754, 47399, 48763, 52514, 56017, 60326, 62062, 74921, 77077, 88543, 94798, 97526, 112034, 117733, 139139, 149842, 154154, 177086, 183799, 211141, 217217, 218647, 235466, 278278, 331793, 341341, 367598, 392119, 422282, 434434, 437294, 521389, 616187, 663586, 682682, 784238, 824131, 973973, 1042778, 1232374, 1530529, 1648262, 1947946, 2322551, 2389387, 2744833, 3061058, 3649723, 4313309, 4645102, 4778774, 5489666, 6778057, 7299446, 8626618, 10713703, 13556114, 21427406, 25548061, 30193163, 47446399, 51096122, 60386326, 94892798, 332124793, 664249586]

約数ペア:

[(1, 664249586), (2, 332124793), (7, 94892798), (11, 60386326), (13, 51096122), (14, 47446399), (22, 30193163), (26, 25548061), (31, 21427406), (49, 13556114), (62, 10713703), (77, 8626618), (91, 7299446), (98, 6778057), (121, 5489666), (139, 4778774), (143, 4645102), (154, 4313309), (182, 3649723), (217, 3061058), (242, 2744833), (278, 2389387), (286, 2322551), (341, 1947946), (403, 1648262), (434, 1530529), (539, 1232374), (637, 1042778), (682, 973973), (806, 824131), (847, 784238), (973, 682682), (1001, 663586), (1078, 616187), (1274, 521389), (1519, 437294), (1529, 434434), (1573, 422282), (1694, 392119), (1807, 367598), (1946, 341341), (2002, 331793), (2387, 278278), (2821, 235466), (3038, 218647), (3058, 217217), (3146, 211141), (3614, 183799), (3751, 177086), (4309, 154154), (4433, 149842), (4774, 139139), (5642, 117733), (5929, 112034), (6811, 97526), (7007, 94798), (7502, 88543), (8618, 77077), (8866, 74921), (10703, 62062), (11011, 60326), (11858, 56017), (12649, 52514), (13622, 48763), (14014, 47399), (16709, 39754), (16819, 39494), (19747, 33638), (19877, 33418), (21406, 31031), (22022, 30163), (25298, 26257)]