8388445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 11741184

約数和(自身を除く): 3352739

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 181, 299, 403, 713, 905, 1495, 2015, 2353, 3565, 4163, 5611, 9269, 11765, 20815, 28055, 46345, 54119, 72943, 129053, 270595, 364715, 645265, 1677689, 8388445]

約数ペア:

[(1, 8388445), (5, 1677689), (13, 645265), (23, 364715), (31, 270595), (65, 129053), (115, 72943), (155, 54119), (181, 46345), (299, 28055), (403, 20815), (713, 11765), (905, 9269), (1495, 5611), (2015, 4163), (2353, 3565)]