218505512

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{106277}}^1$

素因数の和:106540

約数の個数: 16

約数和(自身を含む): 411295860

約数和(自身を除く): 192790348

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 106277, 212554, 425108, 850216, 27313189, 54626378, 109252756, 218505512]

約数ペア:

[(1, 218505512), (2, 109252756), (4, 54626378), (8, 27313189), (257, 850216), (514, 425108), (1028, 212554), (2056, 106277)]