1288598

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 16

約数和(自身を含む): 2043360

約数和(自身を除く): 754762

約数列:

[1, 2, 23, 46, 109, 218, 257, 514, 2507, 5014, 5911, 11822, 28013, 56026, 644299, 1288598]

約数ペア:

[(1, 1288598), (2, 644299), (23, 56026), (46, 28013), (109, 11822), (218, 5911), (257, 5014), (514, 2507)]