329026864

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{81929}}^1$

素因数の和:82188

約数の個数: 20

約数和(自身を含む): 640037160

約数和(自身を除く): 311010296

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 81929, 163858, 327716, 655432, 1310864, 20564179, 41128358, 82256716, 164513432, 329026864]

約数ペア:

[(1, 329026864), (2, 164513432), (4, 82256716), (8, 41128358), (16, 20564179), (251, 1310864), (502, 655432), (1004, 327716), (2008, 163858), (4016, 81929)]