780018194

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{221219}}^1$

素因数の和:221305

約数の個数: 16

約数和(自身を含む): 1226443680

約数和(自身を除く): 446425486

約数列:

[1, 2, 41, 43, 82, 86, 1763, 3526, 221219, 442438, 9069979, 9512417, 18139958, 19024834, 390009097, 780018194]

約数ペア:

[(1, 780018194), (2, 390009097), (41, 19024834), (43, 18139958), (82, 9512417), (86, 9069979), (1763, 442438), (3526, 221219)]