317668864

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 80

約数和(自身を含む): 665457408

約数和(自身を除く): 347788544

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 128, 172, 188, 256, 307, 344, 376, 512, 614, 688, 752, 1228, 1376, 1504, 2021, 2456, 2752, 3008, 4042, 4912, 5504, 6016, 8084, 9824, 11008, 12032, 13201, 14429, 16168, 19648, 22016, 24064, 26402, 28858, 32336, 39296, 52804, 57716, 64672, 78592, 105608, 115432, 129344, 157184, 211216, 230864, 258688, 422432, 461728, 517376, 620447, 844864, 923456, 1034752, 1240894, 1689728, 1846912, 2481788, 3379456, 3693824, 4963576, 6758912, 7387648, 9927152, 19854304, 39708608, 79417216, 158834432, 317668864]

約数ペア:

[(1, 317668864), (2, 158834432), (4, 79417216), (8, 39708608), (16, 19854304), (32, 9927152), (43, 7387648), (47, 6758912), (64, 4963576), (86, 3693824), (94, 3379456), (128, 2481788), (172, 1846912), (188, 1689728), (256, 1240894), (307, 1034752), (344, 923456), (376, 844864), (512, 620447), (614, 517376), (688, 461728), (752, 422432), (1228, 258688), (1376, 230864), (1504, 211216), (2021, 157184), (2456, 129344), (2752, 115432), (3008, 105608), (4042, 78592), (4912, 64672), (5504, 57716), (6016, 52804), (8084, 39296), (9824, 32336), (11008, 28858), (12032, 26402), (13201, 24064), (14429, 22016), (16168, 19648)]