664343764

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 1423070208

約数和(自身を除く): 758726444

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 53, 62, 98, 106, 124, 196, 212, 217, 371, 434, 742, 868, 1484, 1519, 1643, 2063, 2597, 3038, 3286, 4126, 5194, 6076, 6572, 8252, 10388, 11501, 14441, 23002, 28882, 46004, 57764, 63953, 80507, 101087, 109339, 127906, 161014, 202174, 218678, 255812, 322028, 404348, 437356, 447671, 765373, 895342, 1530746, 1790684, 3061492, 3133697, 3389509, 5357611, 6267394, 6779018, 10715222, 12534788, 13558036, 21430444, 23726563, 47453126, 94906252, 166085941, 332171882, 664343764]

約数ペア:

[(1, 664343764), (2, 332171882), (4, 166085941), (7, 94906252), (14, 47453126), (28, 23726563), (31, 21430444), (49, 13558036), (53, 12534788), (62, 10715222), (98, 6779018), (106, 6267394), (124, 5357611), (196, 3389509), (212, 3133697), (217, 3061492), (371, 1790684), (434, 1530746), (742, 895342), (868, 765373), (1484, 447671), (1519, 437356), (1643, 404348), (2063, 322028), (2597, 255812), (3038, 218678), (3286, 202174), (4126, 161014), (5194, 127906), (6076, 109339), (6572, 101087), (8252, 80507), (10388, 63953), (11501, 57764), (14441, 46004), (23002, 28882)]