247481008

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1663}}^1$

素因数の和:1873

約数の個数: 40

約数和(自身を含む): 490254336

約数和(自身を除く): 242773328

約数列:

[1, 2, 4, 8, 16, 71, 131, 142, 262, 284, 524, 568, 1048, 1136, 1663, 2096, 3326, 6652, 9301, 13304, 18602, 26608, 37204, 74408, 118073, 148816, 217853, 236146, 435706, 472292, 871412, 944584, 1742824, 1889168, 3485648, 15467563, 30935126, 61870252, 123740504, 247481008]

約数ペア:

[(1, 247481008), (2, 123740504), (4, 61870252), (8, 30935126), (16, 15467563), (71, 3485648), (131, 1889168), (142, 1742824), (262, 944584), (284, 871412), (524, 472292), (568, 435706), (1048, 236146), (1136, 217853), (1663, 148816), (2096, 118073), (3326, 74408), (6652, 37204), (9301, 26608), (13304, 18602)]