128538328

素因数分解:

$2^3\times {\mathrm{1171}}^1\times {\mathrm{13721}}^1$

素因数の和:14898

約数の個数: 16

約数和(自身を含む): 241232760

約数和(自身を除く): 112694432

約数列:

[1, 2, 4, 8, 1171, 2342, 4684, 9368, 13721, 27442, 54884, 109768, 16067291, 32134582, 64269164, 128538328]

約数ペア:

[(1, 128538328), (2, 64269164), (4, 32134582), (8, 16067291), (1171, 109768), (2342, 54884), (4684, 27442), (9368, 13721)]