38899456

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 82119744

約数和(自身を除く): 43220288

約数列:

[1, 2, 4, 8, 16, 32, 47, 53, 61, 64, 94, 106, 122, 128, 188, 212, 244, 256, 376, 424, 488, 752, 848, 976, 1504, 1696, 1952, 2491, 2867, 3008, 3233, 3392, 3904, 4982, 5734, 6016, 6466, 6784, 7808, 9964, 11468, 12032, 12932, 13568, 15616, 19928, 22936, 25864, 39856, 45872, 51728, 79712, 91744, 103456, 151951, 159424, 183488, 206912, 303902, 318848, 366976, 413824, 607804, 637696, 733952, 827648, 1215608, 2431216, 4862432, 9724864, 19449728, 38899456]

約数ペア:

[(1, 38899456), (2, 19449728), (4, 9724864), (8, 4862432), (16, 2431216), (32, 1215608), (47, 827648), (53, 733952), (61, 637696), (64, 607804), (94, 413824), (106, 366976), (122, 318848), (128, 303902), (188, 206912), (212, 183488), (244, 159424), (256, 151951), (376, 103456), (424, 91744), (488, 79712), (752, 51728), (848, 45872), (976, 39856), (1504, 25864), (1696, 22936), (1952, 19928), (2491, 15616), (2867, 13568), (3008, 12932), (3233, 12032), (3392, 11468), (3904, 9964), (4982, 7808), (5734, 6784), (6016, 6466)]