8489257

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 11059200

約数和(自身を除く): 2569943

約数列:

[1, 7, 19, 29, 31, 71, 133, 203, 217, 497, 551, 589, 899, 1349, 2059, 2201, 3857, 4123, 6293, 9443, 14413, 15407, 17081, 39121, 41819, 63829, 119567, 273847, 292733, 446803, 1212751, 8489257]

約数ペア:

[(1, 8489257), (7, 1212751), (19, 446803), (29, 292733), (31, 273847), (71, 119567), (133, 63829), (203, 41819), (217, 39121), (497, 17081), (551, 15407), (589, 14413), (899, 9443), (1349, 6293), (2059, 4123), (2201, 3857)]