12961135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 18201600

約数和(自身を除く): 5240465

約数列:

[1, 5, 11, 19, 55, 79, 95, 157, 209, 395, 785, 869, 1045, 1501, 1727, 2983, 4345, 7505, 8635, 12403, 14915, 16511, 32813, 62015, 82555, 136433, 164065, 235657, 682165, 1178285, 2592227, 12961135]

約数ペア:

[(1, 12961135), (5, 2592227), (11, 1178285), (19, 682165), (55, 235657), (79, 164065), (95, 136433), (157, 82555), (209, 62015), (395, 32813), (785, 16511), (869, 14915), (1045, 12403), (1501, 8635), (1727, 7505), (2983, 4345)]