388584988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{719}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 757693440

約数和(自身を除く): 369108452

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 173, 284, 346, 692, 719, 781, 1438, 1562, 1903, 2876, 3124, 3806, 7612, 7909, 12283, 15818, 24566, 31636, 49132, 51049, 102098, 124387, 135113, 204196, 248774, 270226, 497548, 540452, 561539, 1123078, 1368257, 2246156, 2736514, 5473028, 8831477, 17662954, 35325908, 97146247, 194292494, 388584988]

約数ペア:

[(1, 388584988), (2, 194292494), (4, 97146247), (11, 35325908), (22, 17662954), (44, 8831477), (71, 5473028), (142, 2736514), (173, 2246156), (284, 1368257), (346, 1123078), (692, 561539), (719, 540452), (781, 497548), (1438, 270226), (1562, 248774), (1903, 204196), (2876, 135113), (3124, 124387), (3806, 102098), (7612, 51049), (7909, 49132), (12283, 31636), (15818, 24566)]