2478778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 4213440

約数和(自身を除く): 1734662

約数列:

[1, 2, 19, 37, 38, 41, 43, 74, 82, 86, 703, 779, 817, 1406, 1517, 1558, 1591, 1634, 1763, 3034, 3182, 3526, 28823, 30229, 33497, 57646, 60458, 65231, 66994, 130462, 1239389, 2478778]

約数ペア:

[(1, 2478778), (2, 1239389), (19, 130462), (37, 66994), (38, 65231), (41, 60458), (43, 57646), (74, 33497), (82, 30229), (86, 28823), (703, 3526), (779, 3182), (817, 3034), (1406, 1763), (1517, 1634), (1558, 1591)]