219203465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{78427}}^1$

素因数の和:78488

約数の個数: 16

約数和(自身を含む): 289869888

約数和(自身を除く): 70666423

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 78427, 392135, 1019551, 3372361, 5097755, 16861805, 43840693, 219203465]

約数ペア:

[(1, 219203465), (5, 43840693), (13, 16861805), (43, 5097755), (65, 3372361), (215, 1019551), (559, 392135), (2795, 78427)]