421776004

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{623929}}^1$

素因数の和:623959

約数の個数: 18

約数和(自身を含む): 799254330

約数和(自身を除く): 377478326

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 623929, 1247858, 2495716, 8111077, 16222154, 32444308, 105444001, 210888002, 421776004]

約数ペア:

[(1, 421776004), (2, 210888002), (4, 105444001), (13, 32444308), (26, 16222154), (52, 8111077), (169, 2495716), (338, 1247858), (676, 623929)]