641753281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{19489}}^1$

素因数の和:19668

約数の個数: 16

約数和(自身を含む): 736722000

約数和(自身を除く): 94968719

約数列:

[1, 13, 17, 149, 221, 1937, 2533, 19489, 32929, 253357, 331313, 2903861, 4307069, 37750193, 49365637, 641753281]

約数ペア:

[(1, 641753281), (13, 49365637), (17, 37750193), (149, 4307069), (221, 2903861), (1937, 331313), (2533, 253357), (19489, 32929)]