128508738

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{83339}}^1$

素因数の和:83601

約数の個数: 16

約数和(自身を含む): 258020640

約数和(自身を除く): 129511902

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 83339, 166678, 250017, 500034, 21418123, 42836246, 64254369, 128508738]

約数ペア:

[(1, 128508738), (2, 64254369), (3, 42836246), (6, 21418123), (257, 500034), (514, 250017), (771, 166678), (1542, 83339)]