81537008

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4637}}^1$

素因数の和:4809

約数の個数: 40

約数和(自身を含む): 181735392

約数和(自身を除く): 100198384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 4637, 8792, 9274, 17584, 18548, 32459, 37096, 64918, 74192, 129836, 259672, 519344, 728009, 1456018, 2912036, 5096063, 5824072, 10192126, 11648144, 20384252, 40768504, 81537008]

約数ペア:

[(1, 81537008), (2, 40768504), (4, 20384252), (7, 11648144), (8, 10192126), (14, 5824072), (16, 5096063), (28, 2912036), (56, 1456018), (112, 728009), (157, 519344), (314, 259672), (628, 129836), (1099, 74192), (1256, 64918), (2198, 37096), (2512, 32459), (4396, 18548), (4637, 17584), (8792, 9274)]