1553646985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 2056803840

約数和(自身を除く): 503156855

約数列:

[1, 5, 11, 55, 181, 239, 653, 905, 1195, 1991, 2629, 3265, 7183, 9955, 13145, 35915, 43259, 118193, 156067, 216295, 475849, 590965, 780335, 1300123, 1716737, 2379245, 6500615, 8583685, 28248127, 141240635, 310729397, 1553646985]

約数ペア:

[(1, 1553646985), (5, 310729397), (11, 141240635), (55, 28248127), (181, 8583685), (239, 6500615), (653, 2379245), (905, 1716737), (1195, 1300123), (1991, 780335), (2629, 590965), (3265, 475849), (7183, 216295), (9955, 156067), (13145, 118193), (35915, 43259)]