388703913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 569399040

約数和(自身を除く): 180695127

約数列:

[1, 3, 13, 39, 71, 213, 229, 613, 687, 923, 1839, 2769, 2977, 7969, 8931, 16259, 23907, 43523, 48777, 130569, 140377, 211367, 421131, 565799, 634101, 1697397, 1824901, 5474703, 9966767, 29900301, 129567971, 388703913]

約数ペア:

[(1, 388703913), (3, 129567971), (13, 29900301), (39, 9966767), (71, 5474703), (213, 1824901), (229, 1697397), (613, 634101), (687, 565799), (923, 421131), (1839, 211367), (2769, 140377), (2977, 130569), (7969, 48777), (8931, 43523), (16259, 23907)]