198940105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{859}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 294739200

約数和(自身を除く): 95799095

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 509, 859, 2545, 3563, 4295, 6013, 6617, 11167, 17815, 30065, 33085, 46319, 55835, 78169, 231595, 390845, 437231, 2186155, 3060617, 5684003, 15303085, 28420015, 39788021, 198940105]

約数ペア:

[(1, 198940105), (5, 39788021), (7, 28420015), (13, 15303085), (35, 5684003), (65, 3060617), (91, 2186155), (455, 437231), (509, 390845), (859, 231595), (2545, 78169), (3563, 55835), (4295, 46319), (6013, 33085), (6617, 30065), (11167, 17815)]