217391617

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 229653952

約数和(自身を除く): 12262335

約数列:

[1, 43, 61, 67, 1237, 2623, 2881, 4087, 53191, 75457, 82879, 175741, 3244651, 3563797, 5055619, 217391617]

約数ペア:

[(1, 217391617), (43, 5055619), (61, 3563797), (67, 3244651), (1237, 175741), (2623, 82879), (2881, 75457), (4087, 53191)]