218406713

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{3943}}^1$

素因数の和:4184

約数の個数: 16

約数和(自身を含む): 257085696

約数和(自身を除く): 38678983

約数列:

[1, 7, 41, 193, 287, 1351, 3943, 7913, 27601, 55391, 161663, 760999, 1131641, 5326993, 31200959, 218406713]

約数ペア:

[(1, 218406713), (7, 31200959), (41, 5326993), (193, 1131641), (287, 760999), (1351, 161663), (3943, 55391), (7913, 27601)]