221478768

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{219721}}^1$

素因数の和:219742

約数の個数: 60

約数和(自身を含む): 708383728

約数和(自身を除く): 486904960

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 219721, 439442, 659163, 878884, 1318326, 1538047, 1757768, 1977489, 2636652, 3076094, 3515536, 3954978, 4614141, 5273304, 6152188, 7909956, 9228282, 10546608, 12304376, 13842423, 15819912, 18456564, 24608752, 27684846, 31639824, 36913128, 55369692, 73826256, 110739384, 221478768]

約数ペア:

[(1, 221478768), (2, 110739384), (3, 73826256), (4, 55369692), (6, 36913128), (7, 31639824), (8, 27684846), (9, 24608752), (12, 18456564), (14, 15819912), (16, 13842423), (18, 12304376), (21, 10546608), (24, 9228282), (28, 7909956), (36, 6152188), (42, 5273304), (48, 4614141), (56, 3954978), (63, 3515536), (72, 3076094), (84, 2636652), (112, 1977489), (126, 1757768), (144, 1538047), (168, 1318326), (252, 878884), (336, 659163), (504, 439442), (1008, 219721)]