81849815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{859}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 111456000

約数和(自身を除く): 29606185

約数列:

[1, 5, 17, 19, 59, 85, 95, 295, 323, 859, 1003, 1121, 1615, 4295, 5015, 5605, 14603, 16321, 19057, 50681, 73015, 81605, 95285, 253405, 277457, 861577, 962939, 1387285, 4307885, 4814695, 16369963, 81849815]

約数ペア:

[(1, 81849815), (5, 16369963), (17, 4814695), (19, 4307885), (59, 1387285), (85, 962939), (95, 861577), (295, 277457), (323, 253405), (859, 95285), (1003, 81605), (1121, 73015), (1615, 50681), (4295, 19057), (5015, 16321), (5605, 14603)]