156720172

素因数分解:

$2^2\times 7^1\times {\mathrm{5597149}}^1$

素因数の和:5597160

約数の個数: 12

約数和(自身を含む): 313440400

約数和(自身を除く): 156720228

約数列:

[1, 2, 4, 7, 14, 28, 5597149, 11194298, 22388596, 39180043, 78360086, 156720172]

約数ペア:

[(1, 156720172), (2, 78360086), (4, 39180043), (7, 22388596), (14, 11194298), (28, 5597149)]