1855366254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{640223}}^1$

素因数の和:640261

約数の個数: 48

約数和(自身を含む): 4793997312

約数和(自身を除く): 2938631058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 640223, 1280446, 1920669, 3841338, 4481561, 5762007, 8963122, 11524014, 13444683, 14725129, 26889366, 29450258, 40334049, 44175387, 80668098, 88350774, 103075903, 132526161, 206151806, 265052322, 309227709, 618455418, 927683127, 1855366254]

約数ペア:

[(1, 1855366254), (2, 927683127), (3, 618455418), (6, 309227709), (7, 265052322), (9, 206151806), (14, 132526161), (18, 103075903), (21, 88350774), (23, 80668098), (42, 44175387), (46, 40334049), (63, 29450258), (69, 26889366), (126, 14725129), (138, 13444683), (161, 11524014), (207, 8963122), (322, 5762007), (414, 4481561), (483, 3841338), (966, 1920669), (1449, 1280446), (2898, 640223)]