1320220895

素因数分解:

$5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 1827847296

約数和(自身を除く): 507626401

約数列:

[1, 5, 7, 35, 241, 281, 557, 1205, 1405, 1687, 1967, 2785, 3899, 8435, 9835, 19495, 67721, 134237, 156517, 338605, 474047, 671185, 782585, 939659, 1095619, 2370235, 4698295, 5478095, 37720597, 188602985, 264044179, 1320220895]

約数ペア:

[(1, 1320220895), (5, 264044179), (7, 188602985), (35, 37720597), (241, 5478095), (281, 4698295), (557, 2370235), (1205, 1095619), (1405, 939659), (1687, 782585), (1967, 671185), (2785, 474047), (3899, 338605), (8435, 156517), (9835, 134237), (19495, 67721)]