161777210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121637}}^1$

素因数の和:121670

約数の個数: 32

約数和(自身を含む): 350317440

約数和(自身を除く): 188540230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 121637, 243274, 608185, 851459, 1216370, 1702918, 2311103, 4257295, 4622206, 8514590, 11555515, 16177721, 23111030, 32355442, 80888605, 161777210]

約数ペア:

[(1, 161777210), (2, 80888605), (5, 32355442), (7, 23111030), (10, 16177721), (14, 11555515), (19, 8514590), (35, 4622206), (38, 4257295), (70, 2311103), (95, 1702918), (133, 1216370), (190, 851459), (266, 608185), (665, 243274), (1330, 121637)]