64438276

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18121}}^1$

素因数の和:18259

約数の個数: 24

約数和(自身を含む): 129898496

約数和(自身を除く): 65460220

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 18121, 36242, 72484, 126847, 253694, 507388, 2301367, 4602734, 9205468, 16109569, 32219138, 64438276]

約数ペア:

[(1, 64438276), (2, 32219138), (4, 16109569), (7, 9205468), (14, 4602734), (28, 2301367), (127, 507388), (254, 253694), (508, 126847), (889, 72484), (1778, 36242), (3556, 18121)]