218580964

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{11497}}^1$

素因数の和:11612

約数の個数: 36

約数和(自身を含む): 449594796

約数和(自身を除く): 231013832

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1358, 2716, 4753, 9506, 11497, 19012, 22994, 45988, 80479, 160958, 321916, 563353, 1115209, 1126706, 2230418, 2253412, 4460836, 7806463, 15612926, 31225852, 54645241, 109290482, 218580964]

約数ペア:

[(1, 218580964), (2, 109290482), (4, 54645241), (7, 31225852), (14, 15612926), (28, 7806463), (49, 4460836), (97, 2253412), (98, 2230418), (194, 1126706), (196, 1115209), (388, 563353), (679, 321916), (1358, 160958), (2716, 80479), (4753, 45988), (9506, 22994), (11497, 19012)]