81841664

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 94932736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 179, 188, 256, 304, 358, 376, 512, 608, 716, 752, 893, 1216, 1432, 1504, 1786, 2432, 2864, 3008, 3401, 3572, 4864, 5728, 6016, 6802, 7144, 8413, 9728, 11456, 12032, 13604, 14288, 16826, 22912, 24064, 27208, 28576, 33652, 45824, 54416, 57152, 67304, 91648, 108832, 114304, 134608, 159847, 217664, 228608, 269216, 319694, 435328, 457216, 538432, 639388, 870656, 1076864, 1278776, 1741312, 2153728, 2557552, 4307456, 5115104, 10230208, 20460416, 40920832, 81841664]

約数ペア:

[(1, 81841664), (2, 40920832), (4, 20460416), (8, 10230208), (16, 5115104), (19, 4307456), (32, 2557552), (38, 2153728), (47, 1741312), (64, 1278776), (76, 1076864), (94, 870656), (128, 639388), (152, 538432), (179, 457216), (188, 435328), (256, 319694), (304, 269216), (358, 228608), (376, 217664), (512, 159847), (608, 134608), (716, 114304), (752, 108832), (893, 91648), (1216, 67304), (1432, 57152), (1504, 54416), (1786, 45824), (2432, 33652), (2864, 28576), (3008, 27208), (3401, 24064), (3572, 22912), (4864, 16826), (5728, 14288), (6016, 13604), (6802, 12032), (7144, 11456), (8413, 9728)]