28034447

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 35610624

約数和(自身を除く): 7576177

約数列:

[1, 7, 23, 31, 41, 137, 161, 217, 287, 713, 943, 959, 1271, 3151, 4247, 4991, 5617, 6601, 8897, 22057, 29233, 29729, 39319, 97681, 129191, 174127, 204631, 683767, 904337, 1218889, 4004921, 28034447]

約数ペア:

[(1, 28034447), (7, 4004921), (23, 1218889), (31, 904337), (41, 683767), (137, 204631), (161, 174127), (217, 129191), (287, 97681), (713, 39319), (943, 29729), (959, 29233), (1271, 22057), (3151, 8897), (4247, 6601), (4991, 5617)]