208757738

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 378618624

約数和(自身を除く): 169860886

約数列:

[1, 2, 7, 14, 47, 49, 61, 94, 98, 122, 329, 427, 658, 743, 854, 1486, 2303, 2867, 2989, 4606, 5201, 5734, 5978, 10402, 20069, 34921, 36407, 40138, 45323, 69842, 72814, 90646, 140483, 244447, 280966, 317261, 488894, 634522, 1711129, 2130181, 2220827, 3422258, 4260362, 4441654, 14911267, 29822534, 104378869, 208757738]

約数ペア:

[(1, 208757738), (2, 104378869), (7, 29822534), (14, 14911267), (47, 4441654), (49, 4260362), (61, 3422258), (94, 2220827), (98, 2130181), (122, 1711129), (329, 634522), (427, 488894), (658, 317261), (743, 280966), (854, 244447), (1486, 140483), (2303, 90646), (2867, 72814), (2989, 69842), (4606, 45323), (5201, 40138), (5734, 36407), (5978, 34921), (10402, 20069)]