2147520005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{4787}}^1$

素因数の和:4945

約数の個数: 32

約数和(自身を含む): 2779951104

約数和(自身を除く): 632431099

約数列:

[1, 5, 23, 47, 83, 115, 235, 415, 1081, 1909, 3901, 4787, 5405, 9545, 19505, 23935, 89723, 110101, 224989, 397321, 448615, 550505, 1124945, 1986605, 5174747, 9138383, 18674087, 25873735, 45691915, 93370435, 429504001, 2147520005]

約数ペア:

[(1, 2147520005), (5, 429504001), (23, 93370435), (47, 45691915), (83, 25873735), (115, 18674087), (235, 9138383), (415, 5174747), (1081, 1986605), (1909, 1124945), (3901, 550505), (4787, 448615), (5405, 397321), (9545, 224989), (19505, 110101), (23935, 89723)]