431397988

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{217001}}^1$

素因数の和:217083

約数の個数: 24

約数和(自身を含む): 874952064

約数和(自身を除く): 443554076

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 217001, 434002, 868004, 1519007, 3038014, 6076028, 15407071, 30814142, 61628284, 107849497, 215698994, 431397988]

約数ペア:

[(1, 431397988), (2, 215698994), (4, 107849497), (7, 61628284), (14, 30814142), (28, 15407071), (71, 6076028), (142, 3038014), (284, 1519007), (497, 868004), (994, 434002), (1988, 217001)]