640673418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{60293}}^1$

素因数の和:60339

約数の個数: 64

約数和(自身を含む): 1667008512

約数和(自身を除く): 1026335094

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 3542, 5313, 10626, 60293, 120586, 180879, 361758, 422051, 663223, 844102, 1266153, 1326446, 1386739, 1989669, 2532306, 2773478, 3979338, 4160217, 4642561, 8320434, 9285122, 9707173, 13927683, 15254129, 19414346, 27855366, 29121519, 30508258, 45762387, 58243038, 91524774, 106778903, 213557806, 320336709, 640673418]

約数ペア:

[(1, 640673418), (2, 320336709), (3, 213557806), (6, 106778903), (7, 91524774), (11, 58243038), (14, 45762387), (21, 30508258), (22, 29121519), (23, 27855366), (33, 19414346), (42, 15254129), (46, 13927683), (66, 9707173), (69, 9285122), (77, 8320434), (138, 4642561), (154, 4160217), (161, 3979338), (231, 2773478), (253, 2532306), (322, 1989669), (462, 1386739), (483, 1326446), (506, 1266153), (759, 844102), (966, 663223), (1518, 422051), (1771, 361758), (3542, 180879), (5313, 120586), (10626, 60293)]