128440432

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{15349}}^1$

素因数の和:15880

約数の個数: 20

約数和(自身を含む): 249345400

約数和(自身を除く): 120904968

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 4184, 8368, 15349, 30698, 61396, 122792, 245584, 8027527, 16055054, 32110108, 64220216, 128440432]

約数ペア:

[(1, 128440432), (2, 64220216), (4, 32110108), (8, 16055054), (16, 8027527), (523, 245584), (1046, 122792), (2092, 61396), (4184, 30698), (8368, 15349)]