1640578042

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{3361}}^1\times {\mathrm{4001}}^1$

素因数の和:7425

約数の個数: 16

約数和(自身を含む): 2502578664

約数和(自身を除く): 862000622

約数列:

[1, 2, 61, 122, 3361, 4001, 6722, 8002, 205021, 244061, 410042, 488122, 13447361, 26894722, 820289021, 1640578042]

約数ペア:

[(1, 1640578042), (2, 820289021), (61, 26894722), (122, 13447361), (3361, 488122), (4001, 410042), (6722, 244061), (8002, 205021)]