1640342888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{13487}}^1$

素因数の和:14177

約数の個数: 32

約数和(自身を含む): 3214460160

約数和(自身を除く): 1574117272

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 661, 1322, 2644, 5288, 13487, 15203, 26974, 30406, 53948, 60812, 107896, 121624, 310201, 620402, 1240804, 2481608, 8914907, 17829814, 35659628, 71319256, 205042861, 410085722, 820171444, 1640342888]

約数ペア:

[(1, 1640342888), (2, 820171444), (4, 410085722), (8, 205042861), (23, 71319256), (46, 35659628), (92, 17829814), (184, 8914907), (661, 2481608), (1322, 1240804), (2644, 620402), (5288, 310201), (13487, 121624), (15203, 107896), (26974, 60812), (30406, 53948)]