80421544

素因数分解:

$2^3\times 7^2\times {\mathrm{205157}}^1$

素因数の和:205177

約数の個数: 24

約数和(自身を含む): 175410090

約数和(自身を除く): 94988546

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 205157, 410314, 820628, 1436099, 1641256, 2872198, 5744396, 10052693, 11488792, 20105386, 40210772, 80421544]

約数ペア:

[(1, 80421544), (2, 40210772), (4, 20105386), (7, 11488792), (8, 10052693), (14, 5744396), (28, 2872198), (49, 1641256), (56, 1436099), (98, 820628), (196, 410314), (392, 205157)]