638126021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1\times {\mathrm{1021}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 695025408

約数和(自身を除く): 56899387

約数列:

[1, 13, 131, 367, 1021, 1703, 4771, 13273, 48077, 133751, 374707, 625001, 1738763, 4871191, 49086617, 638126021]

約数ペア:

[(1, 638126021), (13, 49086617), (131, 4871191), (367, 1738763), (1021, 625001), (1703, 374707), (4771, 133751), (13273, 48077)]