208840454

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{7541}}^1$

素因数の和:7831

約数の個数: 16

約数和(自身を含む): 319841136

約数和(自身を除く): 111000682

約数列:

[1, 2, 61, 122, 227, 454, 7541, 13847, 15082, 27694, 460001, 920002, 1711807, 3423614, 104420227, 208840454]

約数ペア:

[(1, 208840454), (2, 104420227), (61, 3423614), (122, 1711807), (227, 920002), (454, 460001), (7541, 27694), (13847, 15082)]