201398351

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 261488640

約数和(自身を除く): 60090289

約数列:

[1, 7, 11, 31, 77, 139, 217, 341, 607, 973, 1529, 2387, 4249, 4309, 6677, 10703, 18817, 30163, 46739, 47399, 84373, 131719, 206987, 331793, 590611, 928103, 1448909, 2615563, 6496721, 18308941, 28771193, 201398351]

約数ペア:

[(1, 201398351), (7, 28771193), (11, 18308941), (31, 6496721), (77, 2615563), (139, 1448909), (217, 928103), (341, 590611), (607, 331793), (973, 206987), (1529, 131719), (2387, 84373), (4249, 47399), (4309, 46739), (6677, 30163), (10703, 18817)]