247145256

素因数分解:

$2^3\times 3^4\times {\mathrm{577}}^1\times {\mathrm{661}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 694484340

約数和(自身を除く): 447339084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 577, 648, 661, 1154, 1322, 1731, 1983, 2308, 2644, 3462, 3966, 4616, 5193, 5288, 5949, 6924, 7932, 10386, 11898, 13848, 15579, 15864, 17847, 20772, 23796, 31158, 35694, 41544, 46737, 47592, 53541, 62316, 71388, 93474, 107082, 124632, 142776, 186948, 214164, 373896, 381397, 428328, 762794, 1144191, 1525588, 2288382, 3051176, 3432573, 4576764, 6865146, 9153528, 10297719, 13730292, 20595438, 27460584, 30893157, 41190876, 61786314, 82381752, 123572628, 247145256]

約数ペア:

[(1, 247145256), (2, 123572628), (3, 82381752), (4, 61786314), (6, 41190876), (8, 30893157), (9, 27460584), (12, 20595438), (18, 13730292), (24, 10297719), (27, 9153528), (36, 6865146), (54, 4576764), (72, 3432573), (81, 3051176), (108, 2288382), (162, 1525588), (216, 1144191), (324, 762794), (577, 428328), (648, 381397), (661, 373896), (1154, 214164), (1322, 186948), (1731, 142776), (1983, 124632), (2308, 107082), (2644, 93474), (3462, 71388), (3966, 62316), (4616, 53541), (5193, 47592), (5288, 46737), (5949, 41544), (6924, 35694), (7932, 31158), (10386, 23796), (11898, 20772), (13848, 17847), (15579, 15864)]