81709265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 110992896

約数和(自身を除く): 29283631

約数列:

[1, 5, 11, 47, 55, 73, 235, 365, 433, 517, 803, 2165, 2585, 3431, 4015, 4763, 17155, 20351, 23815, 31609, 37741, 101755, 158045, 188705, 223861, 347699, 1119305, 1485623, 1738495, 7428115, 16341853, 81709265]

約数ペア:

[(1, 81709265), (5, 16341853), (11, 7428115), (47, 1738495), (55, 1485623), (73, 1119305), (235, 347699), (365, 223861), (433, 188705), (517, 158045), (803, 101755), (2165, 37741), (2585, 31609), (3431, 23815), (4015, 20351), (4763, 17155)]