55215797

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 72938040

約数和(自身を除く): 17722243

約数列:

[1, 7, 13, 29, 49, 61, 91, 203, 343, 377, 427, 637, 793, 1421, 1769, 2401, 2639, 2989, 4459, 5551, 9947, 12383, 18473, 20923, 22997, 31213, 38857, 69629, 86681, 129311, 146461, 160979, 271999, 606767, 905177, 1126853, 1903993, 4247369, 7887971, 55215797]

約数ペア:

[(1, 55215797), (7, 7887971), (13, 4247369), (29, 1903993), (49, 1126853), (61, 905177), (91, 606767), (203, 271999), (343, 160979), (377, 146461), (427, 129311), (637, 86681), (793, 69629), (1421, 38857), (1769, 31213), (2401, 22997), (2639, 20923), (2989, 18473), (4459, 12383), (5551, 9947)]