851895457

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{28723}}^1$

素因数の和:28972

約数の個数: 16

約数和(自身を含む): 1029468160

約数和(自身を除く): 177572703

約数列:

[1, 7, 19, 133, 223, 1561, 4237, 28723, 29659, 201061, 545737, 3820159, 6405229, 44836603, 121699351, 851895457]

約数ペア:

[(1, 851895457), (7, 121699351), (19, 44836603), (133, 6405229), (223, 3820159), (1561, 545737), (4237, 201061), (28723, 29659)]