128423744

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:523

約数の個数: 56

約数和(自身を含む): 264020808

約数和(自身を除く): 135597064

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 193, 281, 296, 386, 562, 592, 772, 1124, 1184, 1544, 2248, 2368, 3088, 4496, 6176, 7141, 8992, 10397, 12352, 14282, 17984, 20794, 28564, 41588, 54233, 57128, 83176, 108466, 114256, 166352, 216932, 228512, 332704, 433864, 457024, 665408, 867728, 1735456, 2006621, 3470912, 4013242, 8026484, 16052968, 32105936, 64211872, 128423744]

約数ペア:

[(1, 128423744), (2, 64211872), (4, 32105936), (8, 16052968), (16, 8026484), (32, 4013242), (37, 3470912), (64, 2006621), (74, 1735456), (148, 867728), (193, 665408), (281, 457024), (296, 433864), (386, 332704), (562, 228512), (592, 216932), (772, 166352), (1124, 114256), (1184, 108466), (1544, 83176), (2248, 57128), (2368, 54233), (3088, 41588), (4496, 28564), (6176, 20794), (7141, 17984), (8992, 14282), (10397, 12352)]