81659245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 111196800

約数和(自身を除く): 29537555

約数列:

[1, 5, 17, 19, 59, 85, 95, 295, 323, 857, 1003, 1121, 1615, 4285, 5015, 5605, 14569, 16283, 19057, 50563, 72845, 81415, 95285, 252815, 276811, 859571, 960697, 1384055, 4297855, 4803485, 16331849, 81659245]

約数ペア:

[(1, 81659245), (5, 16331849), (17, 4803485), (19, 4297855), (59, 1384055), (85, 960697), (95, 859571), (295, 276811), (323, 252815), (857, 95285), (1003, 81415), (1121, 72845), (1615, 50563), (4285, 19057), (5015, 16283), (5605, 14569)]