66765568

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 141281280

約数和(自身を除く): 74515712

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 128, 179, 188, 248, 256, 358, 376, 496, 716, 752, 992, 1432, 1457, 1504, 1984, 2864, 2914, 3008, 3968, 5549, 5728, 5828, 6016, 7936, 8413, 11098, 11456, 11656, 12032, 16826, 22196, 22912, 23312, 33652, 44392, 45824, 46624, 67304, 88784, 93248, 134608, 177568, 186496, 260803, 269216, 355136, 372992, 521606, 538432, 710272, 1043212, 1076864, 1420544, 2086424, 2153728, 4172848, 8345696, 16691392, 33382784, 66765568]

約数ペア:

[(1, 66765568), (2, 33382784), (4, 16691392), (8, 8345696), (16, 4172848), (31, 2153728), (32, 2086424), (47, 1420544), (62, 1076864), (64, 1043212), (94, 710272), (124, 538432), (128, 521606), (179, 372992), (188, 355136), (248, 269216), (256, 260803), (358, 186496), (376, 177568), (496, 134608), (716, 93248), (752, 88784), (992, 67304), (1432, 46624), (1457, 45824), (1504, 44392), (1984, 33652), (2864, 23312), (2914, 22912), (3008, 22196), (3968, 16826), (5549, 12032), (5728, 11656), (5828, 11456), (6016, 11098), (7936, 8413)]