858174812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19503973}}^1$

素因数の和:19503988

約数の個数: 12

約数和(自身を含む): 1638333816

約数和(自身を除く): 780159004

約数列:

[1, 2, 4, 11, 22, 44, 19503973, 39007946, 78015892, 214543703, 429087406, 858174812]

約数ペア:

[(1, 858174812), (2, 429087406), (4, 214543703), (11, 78015892), (22, 39007946), (44, 19503973)]