457788191

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 561217536

約数和(自身を除く): 103429345

約数列:

[1, 7, 31, 43, 71, 217, 301, 497, 691, 1333, 2201, 3053, 4837, 9331, 15407, 21371, 21421, 29713, 49061, 94643, 149947, 207991, 343427, 662501, 921103, 1520891, 2109623, 6447721, 10646237, 14767361, 65398313, 457788191]

約数ペア:

[(1, 457788191), (7, 65398313), (31, 14767361), (43, 10646237), (71, 6447721), (217, 2109623), (301, 1520891), (497, 921103), (691, 662501), (1333, 343427), (2201, 207991), (3053, 149947), (4837, 94643), (9331, 49061), (15407, 29713), (21371, 21421)]