26991818

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 26092342

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 47, 94, 119, 127, 133, 238, 254, 266, 323, 329, 646, 658, 799, 889, 893, 1598, 1778, 1786, 2159, 2261, 2413, 4318, 4522, 4826, 5593, 5969, 6251, 11186, 11938, 12502, 15113, 15181, 16891, 30226, 30362, 33782, 41021, 41783, 82042, 83566, 101473, 106267, 113411, 202946, 212534, 226822, 287147, 574294, 710311, 793877, 1420622, 1587754, 1927987, 3855974, 13495909, 26991818]

約数ペア:

[(1, 26991818), (2, 13495909), (7, 3855974), (14, 1927987), (17, 1587754), (19, 1420622), (34, 793877), (38, 710311), (47, 574294), (94, 287147), (119, 226822), (127, 212534), (133, 202946), (238, 113411), (254, 106267), (266, 101473), (323, 83566), (329, 82042), (646, 41783), (658, 41021), (799, 33782), (889, 30362), (893, 30226), (1598, 16891), (1778, 15181), (1786, 15113), (2159, 12502), (2261, 11938), (2413, 11186), (4318, 6251), (4522, 5969), (4826, 5593)]