217157072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 473273280

約数和(自身を除く): 256116208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 113, 122, 176, 179, 226, 244, 358, 452, 488, 671, 716, 904, 976, 1243, 1342, 1432, 1808, 1969, 2486, 2684, 2864, 3938, 4972, 5368, 6893, 7876, 9944, 10736, 10919, 13786, 15752, 19888, 20227, 21838, 27572, 31504, 40454, 43676, 55144, 75823, 80908, 87352, 110288, 120109, 151646, 161816, 174704, 222497, 240218, 303292, 323632, 444994, 480436, 606584, 889988, 960872, 1213168, 1233847, 1779976, 1921744, 2467694, 3559952, 4935388, 9870776, 13572317, 19741552, 27144634, 54289268, 108578536, 217157072]

約数ペア:

[(1, 217157072), (2, 108578536), (4, 54289268), (8, 27144634), (11, 19741552), (16, 13572317), (22, 9870776), (44, 4935388), (61, 3559952), (88, 2467694), (113, 1921744), (122, 1779976), (176, 1233847), (179, 1213168), (226, 960872), (244, 889988), (358, 606584), (452, 480436), (488, 444994), (671, 323632), (716, 303292), (904, 240218), (976, 222497), (1243, 174704), (1342, 161816), (1432, 151646), (1808, 120109), (1969, 110288), (2486, 87352), (2684, 80908), (2864, 75823), (3938, 55144), (4972, 43676), (5368, 40454), (6893, 31504), (7876, 27572), (9944, 21838), (10736, 20227), (10919, 19888), (13786, 15752)]