1520220070117

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{2593}}^1\times {\mathrm{5581}}^1$

素因数の和:8573

約数の個数: 32

約数和(自身を含む): 1783900025600

約数和(自身を除く): 263679955483

約数列:

[1, 7, 43, 301, 349, 2443, 2593, 5581, 15007, 18151, 39067, 105049, 111499, 239983, 780493, 904957, 1679881, 1947769, 6334699, 13634383, 14471533, 38913151, 83754067, 101300731, 272392057, 586278469, 622275919, 4355931433, 5050565017, 35353955119, 217174295731, 1520220070117]

約数ペア:

[(1, 1520220070117), (7, 217174295731), (43, 35353955119), (301, 5050565017), (349, 4355931433), (2443, 622275919), (2593, 586278469), (5581, 272392057), (15007, 101300731), (18151, 83754067), (39067, 38913151), (105049, 14471533), (111499, 13634383), (239983, 6334699), (780493, 1947769), (904957, 1679881)]