256475373

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{5813}}^1$

素因数の和:6025

約数の個数: 32

約数和(自身を含む): 428654592

約数和(自身を除く): 172179219

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 573, 1337, 2101, 4011, 5813, 6303, 14707, 17439, 40691, 44121, 63943, 122073, 191829, 447601, 1110283, 1342803, 3330849, 7771981, 12213113, 23315943, 36639339, 85491791, 256475373]

約数ペア:

[(1, 256475373), (3, 85491791), (7, 36639339), (11, 23315943), (21, 12213113), (33, 7771981), (77, 3330849), (191, 1342803), (231, 1110283), (573, 447601), (1337, 191829), (2101, 122073), (4011, 63943), (5813, 44121), (6303, 40691), (14707, 17439)]