51393385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 69442560

約数和(自身を除く): 18049175

約数列:

[1, 5, 19, 23, 43, 95, 115, 215, 437, 547, 817, 989, 2185, 2735, 4085, 4945, 10393, 12581, 18791, 23521, 51965, 62905, 93955, 117605, 239039, 446899, 540983, 1195195, 2234495, 2704915, 10278677, 51393385]

約数ペア:

[(1, 51393385), (5, 10278677), (19, 2704915), (23, 2234495), (43, 1195195), (95, 540983), (115, 446899), (215, 239039), (437, 117605), (547, 93955), (817, 62905), (989, 51965), (2185, 23521), (2735, 18791), (4085, 12581), (4945, 10393)]