64700909

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 87521280

約数和(自身を除く): 22820371

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 1627, 1729, 2093, 3059, 5681, 11389, 21151, 30913, 37421, 39767, 148057, 216391, 261947, 401869, 486473, 710999, 2813083, 3405311, 4976993, 9242987, 64700909]

約数ペア:

[(1, 64700909), (7, 9242987), (13, 4976993), (19, 3405311), (23, 2813083), (91, 710999), (133, 486473), (161, 401869), (247, 261947), (299, 216391), (437, 148057), (1627, 39767), (1729, 37421), (2093, 30913), (3059, 21151), (5681, 11389)]