42004991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 10871809

約数列:

[1, 7, 19, 53, 59, 101, 133, 371, 413, 707, 1007, 1121, 1919, 3127, 5353, 5959, 7049, 7847, 13433, 21889, 37471, 41713, 59413, 101707, 113221, 315827, 415891, 711949, 792547, 2210789, 6000713, 42004991]

約数ペア:

[(1, 42004991), (7, 6000713), (19, 2210789), (53, 792547), (59, 711949), (101, 415891), (133, 315827), (371, 113221), (413, 101707), (707, 59413), (1007, 41713), (1121, 37471), (1919, 21889), (3127, 13433), (5353, 7847), (5959, 7049)]