128785216

素因数分解:

$2^6\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2007

約数の個数: 56

約数和(自身を含む): 294087296

約数和(自身を除く): 165302080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 157, 224, 314, 448, 628, 1099, 1256, 1831, 2198, 2512, 3662, 4396, 5024, 7324, 8792, 10048, 12817, 14648, 17584, 25634, 29296, 35168, 51268, 58592, 70336, 102536, 117184, 205072, 287467, 410144, 574934, 820288, 1149868, 2012269, 2299736, 4024538, 4599472, 8049076, 9198944, 16098152, 18397888, 32196304, 64392608, 128785216]

約数ペア:

[(1, 128785216), (2, 64392608), (4, 32196304), (7, 18397888), (8, 16098152), (14, 9198944), (16, 8049076), (28, 4599472), (32, 4024538), (56, 2299736), (64, 2012269), (112, 1149868), (157, 820288), (224, 574934), (314, 410144), (448, 287467), (628, 205072), (1099, 117184), (1256, 102536), (1831, 70336), (2198, 58592), (2512, 51268), (3662, 35168), (4396, 29296), (5024, 25634), (7324, 17584), (8792, 14648), (10048, 12817)]