245715197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 310001664

約数和(自身を除く): 64286467

約数列:

[1, 7, 13, 67, 91, 191, 211, 469, 871, 1337, 1477, 2483, 2743, 6097, 12797, 14137, 17381, 19201, 40301, 89579, 98959, 166361, 183781, 282107, 523913, 1164527, 1286467, 2700167, 3667391, 18901169, 35102171, 245715197]

約数ペア:

[(1, 245715197), (7, 35102171), (13, 18901169), (67, 3667391), (91, 2700167), (191, 1286467), (211, 1164527), (469, 523913), (871, 282107), (1337, 183781), (1477, 166361), (2483, 98959), (2743, 89579), (6097, 40301), (12797, 19201), (14137, 17381)]