153945239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1789}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 185587200

約数和(自身を除く): 31641961

約数列:

[1, 7, 19, 133, 647, 1789, 4529, 12293, 12523, 33991, 86051, 237937, 1157483, 8102381, 21992177, 153945239]

約数ペア:

[(1, 153945239), (7, 21992177), (19, 8102381), (133, 1157483), (647, 237937), (1789, 86051), (4529, 33991), (12293, 12523)]