7931121025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 10295341056

約数和(自身を除く): 2364220031

約数列:

[1, 5, 25, 43, 83, 103, 215, 415, 515, 863, 1075, 2075, 2575, 3569, 4315, 4429, 8549, 17845, 21575, 22145, 37109, 42745, 71629, 88889, 89225, 110725, 185545, 213725, 358145, 367607, 444445, 927725, 1790725, 1838035, 2222225, 3080047, 3822227, 7377787, 9190175, 15400235, 19111135, 36888935, 77001175, 95555675, 184444675, 317244841, 1586224205, 7931121025]

約数ペア:

[(1, 7931121025), (5, 1586224205), (25, 317244841), (43, 184444675), (83, 95555675), (103, 77001175), (215, 36888935), (415, 19111135), (515, 15400235), (863, 9190175), (1075, 7377787), (2075, 3822227), (2575, 3080047), (3569, 2222225), (4315, 1838035), (4429, 1790725), (8549, 927725), (17845, 444445), (21575, 367607), (22145, 358145), (37109, 213725), (42745, 185545), (71629, 110725), (88889, 89225)]