215761442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{27031}}^1$

素因数の和:27353

約数の個数: 16

約数和(自身を含む): 349685952

約数和(自身を除く): 133924510

約数列:

[1, 2, 13, 26, 307, 614, 3991, 7982, 27031, 54062, 351403, 702806, 8298517, 16597034, 107880721, 215761442]

約数ペア:

[(1, 215761442), (2, 107880721), (13, 16597034), (26, 8298517), (307, 702806), (614, 351403), (3991, 54062), (7982, 27031)]