81199972

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{16763}}^1$

素因数の和:16947

約数の個数: 24

約数和(自身を含む): 163348416

約数和(自身を除く): 82148444

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 16763, 33526, 67052, 117341, 234682, 469364, 2899999, 5799998, 11599996, 20299993, 40599986, 81199972]

約数ペア:

[(1, 81199972), (2, 40599986), (4, 20299993), (7, 11599996), (14, 5799998), (28, 2899999), (173, 469364), (346, 234682), (692, 117341), (1211, 67052), (2422, 33526), (4844, 16763)]