81243424

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{19991}}^1$

素因数の和:20128

約数の個数: 24

約数和(自身を含む): 161215488

約数和(自身を除く): 79972064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 19991, 39982, 79964, 159928, 319856, 639712, 2538857, 5077714, 10155428, 20310856, 40621712, 81243424]

約数ペア:

[(1, 81243424), (2, 40621712), (4, 20310856), (8, 10155428), (16, 5077714), (32, 2538857), (127, 639712), (254, 319856), (508, 159928), (1016, 79964), (2032, 39982), (4064, 19991)]