12985984

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 29522880

約数和(自身を除く): 16536896

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 401, 506, 704, 736, 802, 1012, 1408, 1472, 1604, 2024, 2944, 3208, 4048, 4411, 6416, 8096, 8822, 9223, 12832, 16192, 17644, 18446, 25664, 32384, 35288, 36892, 51328, 70576, 73784, 101453, 141152, 147568, 202906, 282304, 295136, 405812, 564608, 590272, 811624, 1180544, 1623248, 3246496, 6492992, 12985984]

約数ペア:

[(1, 12985984), (2, 6492992), (4, 3246496), (8, 1623248), (11, 1180544), (16, 811624), (22, 590272), (23, 564608), (32, 405812), (44, 295136), (46, 282304), (64, 202906), (88, 147568), (92, 141152), (128, 101453), (176, 73784), (184, 70576), (253, 51328), (352, 36892), (368, 35288), (401, 32384), (506, 25664), (704, 18446), (736, 17644), (802, 16192), (1012, 12832), (1408, 9223), (1472, 8822), (1604, 8096), (2024, 6416), (2944, 4411), (3208, 4048)]