253929091

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 298890240

約数和(自身を除く): 44961149

約数列:

[1, 13, 19, 31, 169, 247, 403, 589, 2551, 3211, 5239, 7657, 33163, 48469, 79081, 99541, 431119, 630097, 1028053, 1502539, 8191261, 13364689, 19533007, 253929091]

約数ペア:

[(1, 253929091), (13, 19533007), (19, 13364689), (31, 8191261), (169, 1502539), (247, 1028053), (403, 630097), (589, 431119), (2551, 99541), (3211, 79081), (5239, 48469), (7657, 33163)]