7257978

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 20301120

約数和(自身を除く): 13043142

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 91, 98, 117, 126, 147, 182, 189, 211, 234, 273, 294, 351, 378, 422, 441, 546, 633, 637, 702, 819, 882, 1266, 1274, 1323, 1477, 1638, 1899, 1911, 2457, 2646, 2743, 2954, 3798, 3822, 4431, 4914, 5486, 5697, 5733, 8229, 8862, 10339, 11394, 11466, 13293, 16458, 17199, 19201, 20678, 24687, 26586, 31017, 34398, 38402, 39879, 49374, 57603, 62034, 74061, 79758, 93051, 115206, 134407, 148122, 172809, 186102, 268814, 279153, 345618, 403221, 518427, 558306, 806442, 1036854, 1209663, 2419326, 3628989, 7257978]

約数ペア:

[(1, 7257978), (2, 3628989), (3, 2419326), (6, 1209663), (7, 1036854), (9, 806442), (13, 558306), (14, 518427), (18, 403221), (21, 345618), (26, 279153), (27, 268814), (39, 186102), (42, 172809), (49, 148122), (54, 134407), (63, 115206), (78, 93051), (91, 79758), (98, 74061), (117, 62034), (126, 57603), (147, 49374), (182, 39879), (189, 38402), (211, 34398), (234, 31017), (273, 26586), (294, 24687), (351, 20678), (378, 19201), (422, 17199), (441, 16458), (546, 13293), (633, 11466), (637, 11394), (702, 10339), (819, 8862), (882, 8229), (1266, 5733), (1274, 5697), (1323, 5486), (1477, 4914), (1638, 4431), (1899, 3822), (1911, 3798), (2457, 2954), (2646, 2743)]