149750768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{217661}}^1$

素因数の和:217712

約数の個数: 20

約数和(自身を含む): 296890968

約数和(自身を除く): 147140200

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 217661, 435322, 870644, 1741288, 3482576, 9359423, 18718846, 37437692, 74875384, 149750768]

約数ペア:

[(1, 149750768), (2, 74875384), (4, 37437692), (8, 18718846), (16, 9359423), (43, 3482576), (86, 1741288), (172, 870644), (344, 435322), (688, 217661)]