2201718545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{2731}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 2900728320

約数和(自身を除く): 699009775

約数列:

[1, 5, 13, 65, 79, 157, 395, 785, 1027, 2041, 2731, 5135, 10205, 12403, 13655, 35503, 62015, 161239, 177515, 215749, 428767, 806195, 1078745, 2143835, 2804737, 5573971, 14023685, 27869855, 33872593, 169362965, 440343709, 2201718545]

約数ペア:

[(1, 2201718545), (5, 440343709), (13, 169362965), (65, 33872593), (79, 27869855), (157, 14023685), (395, 5573971), (785, 2804737), (1027, 2143835), (2041, 1078745), (2731, 806195), (5135, 428767), (10205, 215749), (12403, 177515), (13655, 161239), (35503, 62015)]