1389723636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{352007}}^1$

素因数の和:352068

約数の個数: 48

約数和(自身を含む): 3784790016

約数和(自身を除く): 2395066380

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 352007, 704014, 1056021, 1408028, 2112042, 2464049, 4224084, 4928098, 7392147, 9856196, 14784294, 16544329, 29568588, 33088658, 49632987, 66177316, 99265974, 115810303, 198531948, 231620606, 347430909, 463241212, 694861818, 1389723636]

約数ペア:

[(1, 1389723636), (2, 694861818), (3, 463241212), (4, 347430909), (6, 231620606), (7, 198531948), (12, 115810303), (14, 99265974), (21, 66177316), (28, 49632987), (42, 33088658), (47, 29568588), (84, 16544329), (94, 14784294), (141, 9856196), (188, 7392147), (282, 4928098), (329, 4224084), (564, 2464049), (658, 2112042), (987, 1408028), (1316, 1056021), (1974, 704014), (3948, 352007)]