218902788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^2$

素因数の和:306

約数の個数: 108

約数和(自身を含む): 621342540

約数和(自身を除く): 402439752

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 127, 156, 174, 234, 254, 261, 348, 377, 381, 468, 508, 522, 754, 762, 1044, 1131, 1143, 1508, 1524, 1651, 2262, 2286, 3302, 3393, 3683, 4524, 4572, 4953, 6604, 6786, 7366, 9906, 11049, 13572, 14732, 14859, 16129, 19812, 22098, 29718, 32258, 33147, 44196, 47879, 48387, 59436, 64516, 66294, 95758, 96774, 132588, 143637, 145161, 191516, 193548, 209677, 287274, 290322, 419354, 430911, 467741, 574548, 580644, 629031, 838708, 861822, 935482, 1258062, 1403223, 1723644, 1870964, 1887093, 2516124, 2806446, 3774186, 4209669, 5612892, 6080633, 7548372, 8419338, 12161266, 16838676, 18241899, 24322532, 36483798, 54725697, 72967596, 109451394, 218902788]

約数ペア:

[(1, 218902788), (2, 109451394), (3, 72967596), (4, 54725697), (6, 36483798), (9, 24322532), (12, 18241899), (13, 16838676), (18, 12161266), (26, 8419338), (29, 7548372), (36, 6080633), (39, 5612892), (52, 4209669), (58, 3774186), (78, 2806446), (87, 2516124), (116, 1887093), (117, 1870964), (127, 1723644), (156, 1403223), (174, 1258062), (234, 935482), (254, 861822), (261, 838708), (348, 629031), (377, 580644), (381, 574548), (468, 467741), (508, 430911), (522, 419354), (754, 290322), (762, 287274), (1044, 209677), (1131, 193548), (1143, 191516), (1508, 145161), (1524, 143637), (1651, 132588), (2262, 96774), (2286, 95758), (3302, 66294), (3393, 64516), (3683, 59436), (4524, 48387), (4572, 47879), (4953, 44196), (6604, 33147), (6786, 32258), (7366, 29718), (9906, 22098), (11049, 19812), (13572, 16129), (14732, 14859)]